n
(chemistry) A chemical compound in which alkali metals are anions (i.e. they bear a negative charge).
n
(inorganic chemistry) The compound water.
n
Ammonia produced with brown hydrogen
n
(obsolete, inorganic chemistry) zinc chloride
n
(inorganic chemistry) A colorless amorphous powder; a red or brown colored crystal.
n
(inorganic chemistry) Any element of group 16 of the periodic table: oxygen, sulfur, selenium, tellurium or polonium.
n
(chemistry) A quantitative measure of the amount of chlorine and other halides in water, especially in seawater
n
(chemistry) The amount of chlorine and other halides in one litre of seawater
n
(inorganic chemistry) The hydrogen molecule H₂
n
(inorganic chemistry, usually humorous) H₂O, water.
n
Alternative spelling of dihydrogen monoxide [(inorganic chemistry, usually humorous) H₂O, water.]
n
(obsolete, rare) Hydrogen peroxide.
n
(obsolete, chemistry) oxygen
n
(chemistry, obsolete) A fluoride.
v
(chemistry, dentistry, transitive) To add fluoride to something, especially to drinking water in order to reduce tooth decay.
n
(inorganic chemistry) A tungstate containing two different metal cations
n
(inorganic chemistry, rare) Water.
n
(obsolete, chemistry) hydrogen
n
(inorganic chemistry, obsolete) hydrous carbonate, such as malachite
n
(chemistry, obsolete) Carburetted hydrogen.
n
(chemistry) Any acid that contains at least one atom of hydrogen.
n
(obsolete, chemistry) hydrogen
n
(inorganic chemistry) The systematic alkali name for water.
n
(informal) dihydrogen monoxide (water (H₂O), but not hydrogen peroxide (H₂O₂) or the hydroxyl radical (-OH))
n
(inorganic chemistry) The simple systematic name for water, H₂O.
adj
(obsolete, chemistry) hydrogenated; hydrogenized
n
(chemistry, archaic) A hydride.
n
(inorganic chemistry) A dry mixture of chemicals that produces hydrogen upon the addition of water
n
(inorganic chemistry) calcium hydride when used as a source of hydrogen
n
(inorganic chemistry) The hydrated hydrogen ion, H₃O⁺.
n
(chemistry, now historical) Hydrogen.
n
Carbon that is not present as organic compounds; principally carbonate minerals
n
(pharmacology, uncountable) Lithium carbonate or other preparations of lithium metal used to treat manic depression and bipolar disorders.
n
(chemistry) a form of lithium hydride in which the normal hydrogen is replaced with deuterium; used in thermonuclear weapons
n
(chemistry) Any lithium salt of a fatty acid, made by the reaction of fat with lithium hydroxide and used in the manufacture of lubricating greases.
n
(chemistry, now historical) Hydrogen chloride (gas).
n
(inorganic chemistry) A coordination compound consisting of a metal cation surrounded by a fixed number of water ligands
adj
(inorganic chemistry, obsolete) Belonging to the group of elements now recognized as groups 5 and 6.
adj
(chemistry) Of, pertaining to, or containing molybdenum; specifically designating those compounds in which molybdenum has a lower valence as contrasted with molybdic compounds.
n
(inorganic chemistry) Any sulfide having a single sulfur atom
adj
(chemistry) Of a compound, having more than one sulfur atom
adj
(obsolete, inorganic chemistry) Combined or impregnated with muriatic or hydrochloric acid.
adj
(inorganic chemistry) Relating to tetravalent neptunium.
n
(countable) Acronym of nitrous oxide system.
n
Nitrogen, Phosphorus, Potassium (or Potash)
adj
Containing an excess of chlorine.
n
(inorganic chemistry) An oxide of manganese, "MnO", that forms green crystals
n
(chemistry, obsolete) A percarbide.
adj
(chemistry) Of or relating to phenylmercury.
n
(obsolete, chemistry) phosphine
n
A mixture of sulfuric acid and hydrogen peroxide.
adj
(inorganic chemistry) Containing tetravalent platinum.
n
(chemistry) The negative of the base 10 logarithm of the concentration of hydroxide ions, measured in moles per liter.
n
(inorganic chemistry) Either of a pair of lanthanides or actinides and related transition elements that have similar chemical properties because of similar electronic structure.
n
(obsolete, chemistry) oxygen
n
(inorganic chemistry) The strong base Ra(OH)₂ obtained when radium reacts with water; it has no commercial use
adj
(inorganic chemistry) Of or pertaining to ruthenium
n
Obsolete form of sesquioxide. [(chemistry) Any oxide containing three oxygen atoms for every two atoms of another element.]
n
(inorganic chemistry) The chemical compound Ag₂O.
adj
(chemistry, obsolete) bicarbureted
adj
(chemistry) Containing pentavalent tantalum.
n
(biochemistry) Any (typically semisynthetic) protein that contains tellurium in place of one or more sulfur atoms
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