n
(chemistry) any molecular entity capable of accepting a proton from an acid
n
(inorganic chemistry) A black, semiconducting material, CrO₂, having strong magnetic properties; used in recording tapes.
n
(chemistry, in combination) Ten atoms of calcium in a chemical compound.
n
(chemistry, in combination) Ten atoms of copper in a chemical compound (Cu₁₀).
n
(chemistry, in combination) Ten atoms of lead in a chemical compound.
n
(chemistry, in combination) Fifteen sodium atoms or ions in a compound
n
(chemistry, in combination) Ten atoms of sodium in a chemical compound (Na₁₀).
n
(chemistry, in combination) Ten atoms of tungsten in a chemical compound (W₁₀).
n
(chemistry, in combination) Two aluminium atoms in a molecule.
n
(chemistry, especially in combination) Two barium atoms in a molecule.
n
(chemistry, especially in combination) Two beryllium atoms in a molecule.
n
(chemistry, especially in combination) Two cadmium atoms in a molecule.
n
(inorganic chemistry) Two caesium atoms in a molecule
n
(chemistry) Two atoms of calcium in a compound.
n
(uncounable, chemistry, in combination) Two carbon atoms in a molecule
n
(chemistry) The introduction of two chlorine atoms into a molecule.
n
(inorganic chemistry) Two chromium atoms in a molecule
n
(inorganic chemistry) Two cobalt atoms in a molecule
n
(inorganic chemistry) Two copper atoms in a molecule
n
A molecule composed of two deuterium atoms, or matter composed of such molecules. Symbol: ²H₂ or D₂.
n
(chemistry, especially in combination) Two dysprosium atoms in a molecule.
n
(chemistry, especially in combination) Two erbium atoms in a molecule.
n
(chemistry, especially in combination) Two europium atoms in a molecule.
n
(chemistry, especially in combination) Two gadolinium atoms in a molecule.
n
(chemistry, especially in combination) Two gallium atoms in a molecule.
n
(chemistry, especially in combination) Two germanium atoms in a molecule.
n
(chemistry, especially in combination) Two hafnium atoms in a molecule.
n
(chemistry, especially in combination) Two halogen atoms in a compound
n
(chemistry, especially in combination) Two holmium atoms in a molecule.
n
(chemistry, especially in combination) Two hydrogen atoms in a molecule
n
(inorganic chemistry, in combination) a cation containing aluminium and two water molecules as ligands
n
(in combination) Two iodine atoms in a molecule
n
(chemistry, especially in combination) Two iridium atoms in a molecule.
n
(chemistry, especially in combination) Two iron atoms in a molecule.
n
(chemistry, especially in combination) Two lanthanum atoms in a molecule.
n
(chemistry, especially in combination) Two lead atoms in a molecule
n
(chemistry, especially in combination) Two lithium atoms in a molecule.
n
(chemistry, especially in combination) Two lutetium atoms in a molecule.
n
(chemistry, especially in combination) Two magnesium atoms in a molecule.
n
(chemistry, especially in combination) Two manganese atoms in a molecule
n
(chemistry, especially in combination) Two mercury atoms in a molecule
n
(chemistry, especially in combination) Two molybdenum atoms in a molecule.
n
(chemistry, especially in combination) Two niobium atoms in a molecule.
n
(chemistry, especially in combination) Two osmium atoms in a molecule.
n
(inorganic chemistry) the normal allotrope of oxygen having two atoms per molecule; O₂
n
(chemistry, in combination) two atoms of phosphorus in a compound
n
(chemistry, especially in combination) Two platinum atoms in a molecule.
n
(chemistry, especially in combination) Two plutonium atoms in a molecule.
n
(chemistry, especially in combination) Two praseodymium atoms in a molecule.
n
(chemistry, especially in combination) Two protactinium atoms in a molecule.
n
(inorganic chemistry, in combination) Two atoms of rhenium in a compound.
n
(inorganic chemistry, in combination) Two atoms of rhodium in a compound
n
(inorganic chemistry, in combination) Two atoms of rubidium in a compound
n
(chemistry, especially in combination) Two ruthenium atoms in a molecule.
n
(chemistry, especially in combination) Two samarium atoms in a molecule.
n
(chemistry, especially in combination) Two scandium atoms in a molecule.
n
(chemistry, especially in combination) Two silver atoms in a compound
n
(chemistry, in combination) two atoms of sodium in a compound
n
(chemistry, especially in combination) Two strontium atoms in a molecule.
n
(chemistry, especially in combination) Two tantalum atoms in a molecule.
n
(chemistry, especially in combination) Two technetium atoms in a molecule.
n
(chemistry, especially in combination) Two tellurium atoms in a molecule.
n
(chemistry, especially in combination) Two terbium atoms in a molecule.
n
(chemistry, especially in combination) Two thorium atoms in a molecule.
n
(chemistry, especially in combination) Two thulium atoms in a molecule.
n
(chemistry, especially in combination) Two tin atoms in a molecule.
n
(inorganic chemistry, in combination) Two titanium atoms in a molecule
n
(chemistry, especially in combination) Two tungsten atoms in a compound.
n
(chemistry, especially in combination) Two uranium atoms in a molecule.
n
(chemistry, especially in combination) Two vanadium atoms in a compound
n
(chemistry, especially in combination) Two xenon atoms in a molecule.
n
(chemistry, especially in combination) Two ytterbium atoms in a molecule.
n
(chemistry, especially in combination) Two yttrium atoms in a molecule.
n
(chemistry, especially in combination) Two zinc atoms in a molecule.
n
(chemistry, especially in combination) Two zirconium atoms in a molecule.
n
(chemistry, in combination) Twelve atoms of bismuth in a chemical compound. Bi₁₂
n
(chemistry, in combination) Twelve atoms of mercury in a chemical compound. Hg₁₂
adj
(chemistry) Describing a fullerene (or similar molecule) that has additional atoms, ions, or clusters enclosed within their inner spheres
n
Alternative spelling of ethylmercury [(chemistry) The organometallic cation CH₃CH₂Hg⁺; it is a toxicant that does not seem to accumulate in the environment]
n
(astronautics) A mixture of liquid oxygen with some added fluorine, used as a high-energy oxidizer.
n
(inorganic chemistry) Any anion in which oxygen atoms of a tantalate anion have been formally replaced by fluorine, but especially TaF₇²⁻, the heptafluorotantalate anion; any salt containing such an anion
n
(chemistry, in combination) Seven atoms of bismuth in a chemical compound. Bi₇
n
(chemistry, in combination) Seven atoms of calcium in a chemical compound.
n
(chemistry, in combination) Seven atoms of copper in a chemical compound.
n
(chemistry, in combination) Seven atoms of iron in a chemical compound. Fe₇
n
(chemistry, in combination) Seven atoms of lead in a chemical compound.
n
(chemistry, in combination) Seven atoms of aluminium in a chemical compound. Al₇
n
(chemistry, in combination) Seven atoms of platinum in a chemical compound. Pt₇
n
(chemistry, in combination) Seven atoms of silver in a chemical compound.
n
(chemistry, in combination) Seven atoms of sodium in a chemical compound.
n
(chemistry, in combination) Seven atoms of titanium in a chemical compound. Ti₇
n
(chemistry, in combination) Seven uranyl functional groups in a chemical compound.
n
(chemistry, in combination) Seven atoms of zinc in a chemical compound. Zn₇
n
A compound thermionic valve containing a triode and tetrode; was used in superheterodyne radio receivers.
n
(chemistry, in combination) Six aluminium atoms or ions in a compound (Al₆).
n
(chemistry, in combination) Alternative form of hexalumino [(chemistry, in combination) Six atoms of aluminium in a chemical compound.]
n
(chemistry, in combination) Six antimonide ions in a compound (Sb₆).
n
(inorganic chemistry) Six water molecules surrounding a metal atom in a complex ion
n
(chemistry) Any polyazide having six azide units
n
(chemistry, in combination) Six atoms of barium in a chemical compound.
n
(chemistry, in combination) Six atoms of bismuth in a chemical compound.
n
(chemistry, in combination) Six atoms of calcium in a chemical compound.
n
(chemistry, in combination) Six carbonate ions in a compound.
n
(chemistry) A cation that has six positive charges
n
(chemistry) An element or radical with the combining power of six units, i.e. six atoms of hydrogen.
n
(chemistry) any fluoride containing six fluorine atoms in each molecule
n
(chemistry) Any hydride containing six atoms of hydrogen
n
(chemistry, normally in combination) Six hydrogen atoms in a molecule
n
(chemistry, in combination) Six iron atoms or ions in a compound (Fe₆).
n
(chemistry, in combination) Six lead atoms or ions in a compound (Pb₆).
n
(chemistry, in combination) Six atoms of aluminium in a chemical compound.
n
(chemistry, in combination) Six magnesium atoms or ions in a compound (Mg₆).
n
(chemistry, in combination) Six atoms of manganese in a chemical compound.
n
(chemistry, in combination) Six atoms of mercury in a chemical compound.
n
(chemistry, in combination) six atoms of nickel in a chemical compound.
n
(chemistry, in combination) A chemical compound with six oxygen atoms with double bonds.
n
(inorganic chemistry, in combination) Six potassium atoms or ions in a compound
n
(chemistry, in combination) A chemical compound containing six silicate ions. (SiO₄)₆
n
(chemistry, in combination) Six silver atoms or ions in a compound (Ag₆).
n
(chemistry, in combination) Six sodium atoms or ions in a compound
n
(chemistry) Any solvate having six molecules of solvent
n
(chemistry, in combination) Six atoms of titanium in a chemical compound.
n
(chemistry, in combination) Six atoms of zinc in a chemical compound.
adj
(chemistry) Combined chemically with water.
n
(chemistry) any hydrogen cation, e.g. a proton (¹H⁺)
n
a non-linear optics crystal, often used for second-harmonic generation
n
Liquid oxygen (molecular oxygen in liquid form).
n
(inorganic chemistry) A polymeric organomercury compound, (7,11-dimercurio-1,5,9-trioxa-2,4,6,8,10,12-hexamercuracyclododec-3-yl)mercury;trihydrate, that functions as a catalyst in ethoxylation reactions
n
(chemical compound) The organometallic cation CH₃Hg⁺; it is a toxicant that accumulates in the environment in the form of various compounds
n
(chemistry) monatomic potassium
n
(chemistry, in combination) A single zinc atom or ion in a compound
n
(chiefly obsolete, rare) Sodium.
n
(chemistry, in combination) Nine calcium atoms or cations in a molecule (Ca₉)
n
(chemistry, in combination) Nine atoms of lead in a chemical compound.
n
(chemistry, in combination) Nine magnesium atoms or cations in a molecule (Mg₉)
n
(chemistry, in combination) Nine manganese atoms or cations in a molecule (Mn₉)
n
(chemistry, in combination) Nine atoms of lead in a chemical compound.
n
(chemistry, in combination) Nine palladium atoms or cations in a molecule (Pd₉)
n
(chemistry, in combination) Nine selenide ions or groups in a molecule (Se₉)
n
(chemistry, in combination) Nine silver atoms or ions in a compound (Ag₉).
n
(chemistry, in combination) Nine strontium atoms or cations in a molecule (Sr₉)
n
(inorganic chemistry, in combination) Eight calcium atoms or ions in a compound
n
(chemistry, in combination) Eight atoms of copper in a chemical compound.
n
(chemistry, in combination) Eighteen atoms of copper in a chemical compound.
n
(chemistry, in combination) Eight iron atoms or cations in a molecule (Fe₈)
n
(chemistry, in combination) Eight atoms of lead in a chemical compound.
n
(chemistry, in combination) Eight manganese atoms or cations in a molecule (Mn₈)
n
(chemistry, in combination) Eight palladium atoms or cations in a molecule (Pd₈)
n
(chemistry, in combination) Eight sodium atoms or cations in a molecule
n
(chemistry) The element oxygen.
adj
(chemistry) of, or relating to organic compounds having a metal atom directly bonded to a carbon atom
n
(chemistry) A form of metallic palladium that has adsorbed a substantial amount of elemental hydrogen into the interstices of its structure.
n
(chemistry, in combination) Five atoms of aluminium in a chemical compound.
n
(chemistry, in combination) pentaaluminium.
n
(chemistry, in combination) Five bismuth atoms or ions in a compound (Bi₅).
n
(chemistry, in combination) Five atoms of calcium in a compound.
n
(chemistry, in combination) Five atoms of copper in a chemical compound.
n
(chemistry) A pentavalent element or group: an atom or molecule with a valence of five, comparable with five atoms of hydrogen.
n
(chemistry, in combination) Fifteen atoms of copper in a compound.
adj
(chemistry) deuterated in five positions, or with five atoms of deuterium
n
(chemistry) Any halide containing five halogen atoms
n
(chemistry, in combination) Five iron atoms or ions in a compound (Fe₅).
n
(chemistry, in combination) Five atoms of lead in a chemical compound.
n
(chemistry, in combination) pentaaluminium.
n
(chemistry, especially in combination) Five magnesium atoms in a molecule.
n
(chemistry, in combination) Five atoms of manganese in a chemical compound.
n
(chemistry, in combination) Five mercury atoms or ions in a compound (Hg₅).
adj
(chemistry) Composed of five components or elements. Used to refer to alloys, semiconductors, or solid chemical compounds.
n
(chemistry, in combination) A chemical compound with five oxygen atoms with double bonds.
n
(chemistry, in combination) Five palladium atoms or ions in a compound (Pd₅).
n
(inorganic chemistry, in combination) Five potassium ions in a compound
n
(chemistry, in combination) Five silicate ions or groups in a compound.
n
(chemistry, in combination) Five silver atoms or ions in a compound (Ag₅).
n
(chemistry, in combination) Five sodium atoms or ions in a compound
n
(chemistry, in combination) Five strontium atoms or ions in a compound (Sr₅).
n
(chemistry) Any compound containing five sulfate groups or ions
n
(chemistry) any sulphide containing five sulphur atoms in each molecule
adj
(chemistry) Having five atoms in each molecule.
n
(chemistry, in combination) Five uranyl ions or groups in a compound.
n
(chemistry, in combination) Five zinc atoms or ions in a compound (Zn₅).
n
(chemistry) A tetroxide.
n
(inorganic chemistry, in combination) Three magnesium ions in a salt with two divalent anions
n
(inorganic chemistry, in combination) Three sodium cations for every two anions
n
(American spelling, inorganic chemistry) Any salt of sulfurous acid.
n
(chemistry, in combination) Four atoms of aluminium in a chemical compound.
n
(chemistry) An anion that has four negative charges
n
(chemistry) Any compound having four azide groups
n
(chemistry, in combination) Four barium atoms or cations in a molecule (Ba₄)
adj
(chemistry, of a salt) having four atoms of a univalent metal
n
(chemistry, in combination) Four atoms of beryllium in a chemical compound.
n
(chemistry, in combination) Four bismuth atoms or cations in a molecule (Bi₄)
n
(chemistry, in combination) Four caesium atoms or cations in a molecule (Cs₄)
n
(inorganic chemistry, in combination) Four calcium atoms or ions in a compound
n
(chemistry, in combination) Four carbon anions in a molecule (C₄)
n
(chemistry) any chloride containing four chlorine atoms in each molecule
n
(chemistry) Any chromate having four chromium atoms
n
(chemistry, in combination) Four atoms of copper in a chemical compound.
n
(chemistry, in combination) Fourteen atoms of copper in a chemical compound (Cu₁₄).
n
(chemistry, in combination) Fourteen atoms of manganese in a chemical compound.
n
(chemistry) Any chloride containing four fluorine atoms in each molecule.
n
(inorganic chemistry, especially in combination) Four gold atoms in a compound.
n
(chemistry, in combination) Four hydrogen atom substituents in a molecule
n
(chemistry, in combination) Four atoms of iron in a chemical compound.
adj
(mathematics, chemistry) Having four identical units
n
(chemistry, in combination) Four atoms of lead in a chemical compound.
n
Alternative form of tetraaluminium [(chemistry, in combination) Four atoms of aluminium in a chemical compound.]
n
(chemistry, in combination) Four atoms of aluminium in a chemical compound.
n
(chemistry, especially in combination) Four magnesium atoms in a molecule.
n
(chemistry, in combination) Four atoms of manganese in a chemical compound.
n
(chemistry, in combination) Four atoms of mercury in a chemical compound.
n
(chemistry, in combination) Four nickel atoms or cations in a molecule (Ni₄)
n
(chemistry, in combination) Four nitro groups in a molecule
n
(chemistry, in combination) Four antimony atoms or cations in a molecule (Sb₄)
n
(chemistry, in combination) Four atoms of palladium in a chemical compound.
n
(chemistry, in combination) Four atoms of platinum in a chemical compound.
n
(chemistry) A complex formed from four of the same moieties
n
(chemistry, in combination) Four potassium ions in a compound
n
(inorganic chemistry) Any silicide having four silicon atoms
n
(chemistry, in combination) Four silicon atoms in a molecule (Si₄)
n
(chemistry, in combination) Four atoms of strontium in a chemical compound.
n
(chemistry) (in combination) Four atoms of sulfur in a molecule
n
(chemistry, in combination) Four atoms of titanium in a chemical compound.
adj
(chemistry, of a molecule etc.) Consisting of four atoms.
n
(chemistry, in combination) Four vanadate anions in a molecule ((VO₄)₄)
n
(inorganic chemistry, especially in combination) Four xenon atoms in a molecule
n
(chemistry, in combination) Four atoms of yttrium in a chemical compound.
n
(chemistry, in combination) Four atoms of zinc in a chemical compound.
adj
(inorganic chemistry) Of or relating to titanium, especially tetravalent titanium.
adj
(inorganic chemistry) Relating to titanium, especially when in a +3 oxidation state; titanous.
n
(chemistry) a brilliant white powder, TiO₂, used as a pigment, and in sunblock, toothpaste and cosmetics
n
(inorganic chemistry) The binary compound of titanium and oxygen, TiO₃, that is a pale yellow solid, and is used to colour ceramics
n
(chemistry, in combination) Three atoms of aluminium in a chemical compound.
n
(chemistry, in combination) Three atoms of antimony in a chemical compound.
n
(chemistry, in combination) Three atoms of barium in a chemical compound.
n
(chemistry, in combination) Three bismuth atoms or cations in a molecule (Bi₃)
n
(chemistry) Three atoms of calcium in a compound.
n
(chemistry, in combination) Three atoms of cerium in a chemical compound.
n
(chemistry, in combination) Three cobalt atoms in a molecule
n
(chemistry, in combination) Three atoms of copper in a compound.
n
(chemistry, in combination) Thirteen atoms of copper in a chemical compound (Cu₁₃).
n
(chemistry, in combination) Thirteen atoms of manganese in a chemical compound (Mn₁₃).
n
(chemistry, in combination) Thirteen atoms of sodium in a chemical compound (Na₁₃).
n
A molecule composed of three deuterium atoms, or matter composed of such molecules. Symbol: ²H₃ or D₃.
n
(inorganic chemistry) An element from group 13 of the periodic table which includes boron, aluminium, gallium, indium, and thallium.
n
(chemistry, in combination) Three atoms of gallium in a chemical compound.
n
A cation triangular molecule composed of three hydrogen atoms, or matter composed of such molecules. Symbol: H₃⁺.
n
(chemistry, especially in combination) Three lithium atoms in a molecule.
n
(chemistry, especially in combination) Three magnesium atoms in a molecule.
n
(chemistry, in combination) Three molybdenum atoms or cations in a molecule (Mo₃)
n
(chemistry, in combination) Three nickel atoms or cations in a molecule (Ni₃)
n
(chemistry, in combination) Three atoms of niobium in a chemical compound.
n
(chemistry) any oxide containing three oxygen atoms in each molecule
n
(chemistry, in combination) Three atoms of platinum in a chemical compound.
n
(chemistry, in combination) Three atoms of rhodium in a chemical compound.
n
(chemistry, in combination) Three atoms of rubidium in a chemical compound.
n
(inorganic chemistry, especially in combination) Three silver atoms in a compound.
n
(chemistry, in combination) Three atoms of sodium in a compound.
n
(chemistry, in combination) Three atoms of strontium in a chemical compound.
n
(chemistry, in combination) Three tantalum atoms or cations in a molecule (Ta₃)
n
(chemistry, in combination) Three thallium atoms or cations in a molecule (Tl₃)
n
(chemistry, in combination) Three thorium atoms or cations in a molecule (Th₃)
n
(chemistry, in combination) Three atoms of titanium in a chemical compound.
n
(chemistry, in combination) Three vanadium atoms or cations in a molecule (V₃)
n
(chemistry, in combination) Three yttrium atoms or cations in a molecule (Y₃)
n
(chemistry, in combination) Three atoms of zirconium in a chemical compound.
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