n
Abbreviation of tin, tungsten, tantalum, gold, four common conflict minerals. [(uncountable) A malleable, ductile, metallic element, resistant to corrosion, with atomic number 50 and symbol Sn.]
n
(inorganic chemistry) actinide
adj
(rare, inorganic chemistry) aluminic
n
(inorganic chemistry) The hydrated form of alumina, having the formula Al(OH)₃; it reacts with bases to form aluminates.
n
(obsolete) native carbonate of soda; natron
n
(medicine) A preparation of one part oxide of antimony and two parts phosphate of calcium.
n
(countable, inorganic chemistry) Any of several oxyanions of antimony such as H₂SbO₃⁻; any salt containing this ion
adj
(chemistry) Combined with or containing antimony.
n
(countable) A single atom of this element.
n
(inorganic chemistry) The bright yellow sulfide of arsenic, As₂S₃, that occurs as the mineral orpiment, and has been used as a pigment
n
(inorganic chemistry, mineralogy) A chemical compound, which is a variation of a silicate where some silicon atoms are replace by arsenic.
n
(inorganic chemistry) The barium salt of arsenic acid, Ba₃(AsO₄)₂, formed as a precipitate when removing arsenic from water supplies.
n
(chemistry, obsolete) barium
n
(inorganic chemistry) The anion BeO₂²⁻ or any salt containing this anion
n
(countable) An atom of this element.
n
(inorganic chemistry) The anion BiO₃⁻ of pentavalent bismuth; any salt containing this anion
n
(chemistry) The univalent BiH₄⁺ cation, derived from bismuthane.
adj
(chemistry) Of, or containing bismuth in its lower valence.
n
A single atom of this element.
n
any of a number of disorders in plants that grow on granite, or other places deficient in boron
n
(countable) A bromine atom
n
(chemistry, inorganic chemistry) A yellow salt with the chemical formula CsAu, formed by the reaction of molten gold and molten caesium.
n
(countable) An atom of this element, in reference to a molecule containing it.
n
(obsolete, inorganic chemistry) potassium carbonate
n
(obsolete, inorganic chemistry) potassium carbonate
n
(inorganic chemistry) The anion CeO₃²⁻ of cerium.
n
(chemistry) An alkalide with cesium as the anion.
n
(inorganic chemistry) any salt of chromic acid; in solution the yellow chromate anion (CrO₄²⁻) is in equilibrium with the orange dichromate anion (Cr₂O₇²⁻), the relative amount of each ion depending on the pH; they are both very powerful oxidizing agents
n
(inorganic chemistry) Any ammine of cobalt, especially the hexamminecobalt(III) cation
n
(inorganic chemistry) The anion Co(CN)₆³⁻; Any salt containing this ion
n
(chemistry) The metallocene containing a cobalt atom
n
(chemistry) A black solid with an ionic structure made by heating copper in air.
n
(inorganic chemistry) Two bismuth atoms in a molecule
n
(inorganic chemistry) Any oxide of erbium, but especially the pink amorphous solid Er₂O₃ (erbia) that is used as a phosphor and in optics
n
(chemistry) A salt of ferricyanic acid; a ferricyanide.
n
(chemistry) An aqueous solution of arsenite of potassium, of such strength that one hundred parts represent one part of arsenious acid, or white arsenic.
adj
Containing germanium with a valence of 4.
n
(countable) An atom of this element.
n
(chemistry) A chalcogenide glass, of approximate composition Ge₂Sb₂Te₅, used in rewritable DVDs; it changes phase from crystalline to amorphous when heated by a laser
n
(chemistry) germanium tetrahydride
adj
Containing germanium with a valence of 2
n
A vitreous oxide of antimony mixed with sulfide.
n
(inorganic chemistry) sodium sulphate (typically a hydrated form) typically used as a laxative
n
(chemistry, obsolete) A substance of a liver-brown colour obtained by fusing together antimony sulphide with alkaline sulphides, and consisting of sulphantimonites of the alkalis; liver of antimony.
n
(inorganic chemistry) The anion PtCl₆²⁻; any salt containing this anion.
n
(chemistry) a solution of hydrogen iodide, HI, in water; it is a strong acid and reducing agent
n
(chemistry) the tellurium analogue of hydrogen sulfide, H₂Te
n
Alternative spelling of hydrosulfurous acid [(chemistry) an alternative name for hyposulfurous acid]
n
(inorganic chemistry) Any compound containing carbon atoms ionically bound to other atoms.
n
(homeopathy) A potassium salt.
n
(chemistry) A hypothetical alkalide with lithium as the anion.
n
(inorganic chemistry) The strong reducing agent LiBH₄
n
(chemistry) The lithium salt of carbonic acid, Li₂CO₃, used in the manufacture of glass and ceramics, and medically, in the treatment of bipolar disorder.
n
(chemistry) a white, powdered alkali, Li₂O, used in the manufacture of glass and ceramics
n
(chemistry) the lithium salt of tantalic acid, LiTaO₃, whose crystalline form is piezoelectric and pyroelectric and is used in optical devices
n
(inorganic chemistry) Any oxide of lutetium, but especially the white solid Lu₂O₃ (lutecia)
n
(inorganic chemistry) The magnesium salt of carbonic acid, MgCO₃; it is a white powdery solid that occurs as magnesite and other minerals; it used as a mild base and in numerous industrial applications
n
(inorganic chemistry) A white, crystalline powder (when pure), usually found in an impure, brown, non-crystalline form.
n
(chemistry, obsolete) A manganate.
n
(inorganic chemistry) The chemical compound MnO₂; a brown or black solid used as a component of dry cell batteries.
n
(chemistry) An acid, H₂MnO₄, formed from manganese, analogous to sulfuric acid.
n
(chemistry) The metallocene containing a manganese atom
n
(inorganic chemistry) The manganese oxide Mn₃O₄
n
(chemistry) a black, crystalline inorganic polymer of empirical formula MoS₂ that occurs as the mineral molybdenite and is used as a lubricant having a structure analogous to graphite
n
(chemistry, obsolete) zinc oxide
n
(chemistry) The univalent anion NbO₃⁻.
adj
(organic chemistry) Describing any organic compound containing a carbon to europium bond.
n
A synthetic, colourless tetragonal form of tellurium dioxide.
n
(chemistry) any chloride containing five chlorine atoms in each molecule
n
(chemistry, in combination) pentaaluminium.
n
(inorganic chemistry) The oxyanion VO₄³⁻ or any salt containing this anion
n
(chemistry) Any compound containing the plumbate ion PbO₃²⁻ or Pb(OH)₆²⁻.
n
(inorganic chemistry) Any oxyanion of plutonium; any salt containing such an anion
n
(obsolete) The chemical compound potassium hydroxide.
n
(chemistry) An alkalide with potassium as the anion.
n
(inorganic chemistry) The alkaline salt K₂CO₃, that is the major constituent of potash; it is used in the production of glass and some soaps.
n
(chemistry) A potassium salt of chromic acid, K₂CrO₄; the yellow crystals are soluble in water, and it is used as an analytical reagent.
n
(chemistry) A potassium salt of chromic acid, K₂Cr₂O₇; the orange crystals are soluble in water, and it is used as an oxidizing agent and in photography.
n
(chemistry) KMnO₄, the most readily available commercial permanganate; it is used as an oxidizing agent both in industry and in the analytical laboratory.
n
(inorganic chemistry) Any oxyanion of radium; any salt containing such an anion
n
(chemistry) An alkalide with rubidium as the anion.
n
(inorganic chemistry) Group 3 of the periodic table, comprising scandium, yttrium, lanthanum and actinium.
n
A single atom of this element.
n
(chemistry, countable) A single atom of this element.
n
(obsolete, chemistry) silicon
n
industrial-grade sodium carbonate
n
sodium bicarbonate (NaHCO₃)
n
(organic chemistry) The compound 3,4-dihydroxycyclobut-3-ene-1,2-dione derived from cyclobutene
n
(chiefly obsolete, rare) antimony
n
(chemistry) the univalent H₄Sb⁺ cation, derived from stibane
adj
of, or relating to antimony
n
(inorganic chemistry) A basic silicate.
n
(chemistry, obsolete) tellurium
adj
(chemistry, obsolete) Combined or impregnated with tellurium.
n
(obsolete, chemistry) Hydrogen telluride.
adj
(chemistry) Containing tellurium in a lower valency than in tellurous compounds.
adj
Obsolete form of tellurous. [(chemistry) Containing tellurium in a higher valency than in telluric compounds.]
n
(chemistry) Any compound of general formula R₂Te(=O)₂, the tellurium analogue of a sulfone.
adj
(chemistry) Containing tellurium in a higher valency than in telluric compounds.
n
(inorganic chemistry) The rare earth terbium oxide Tb₂O₃
adj
(inorganic chemistry) Of or pertaining to thallium, especially to thallium having a valency of 1
n
(inorganic chemistry) The rare earth thulium oxide, Tm₂O₃.
n
(chemistry, dated) crude native borax, formerly imported from Tibet, and once the chief source of boric compounds
n
(chemistry) A very hard ceramic material, TiB₂, used as a refractory and in high-temperature electrical applications
n
(inorganic chemistry, in combination) an ion or salt with three vanadium atoms in oxidation state 5. Varieties include V₃O₁₀⁵⁻ (linear), V₃O₉³⁻ (cyclic), V₃O₈⁻ (network)
n
(chemistry) any of the corresponding anions, VO₃, VO₄, or V₂O₇
n
(inorganic chemistry) vanadium pentoxide (V₂O₅)
adj
Of or pertaining to vanadium, especially to vanadium with an oxidation number of 5.
adj
Alternative form of vanadous [Of, pertaining to or containing vanadium, especially in an oxidation number of 4.]
n
(inorganic chemistry) Group 5 of the periodic table, comprising vanadium, niobium, tantalum and dubnium
n
(inorganic chemistry) An orange crystalline powder, V₂O₅, used as a catalyst in the production of sulphuric acid etc.
adj
Of, pertaining to or containing vanadium, especially in an oxidation number of 4.
n
(inorganic chemistry) Any oxide of ytterbium, but especially the colourless solid Yb₂O₃ (ytterbia)
n
(inorganic chemistry) Group 12 of the periodic table, comprising zinc, cadmium, mercury and copernicium
adj
(chemistry) Containing, resembling or pertaining to zinc.
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