hydrogen : Idioms & Phrases

Index

acid hydrogen

  • noun a hydrogen atom in an acid that forms a positive ion when the acid dissociates
    acid hydrogen.
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acidic hydrogen

  • noun a hydrogen atom in an acid that forms a positive ion when the acid dissociates
    acid hydrogen.
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Bicarbureted hydrogen

  • an old name for ethylene.
Webster 1913

Carbureted hydrogen gas

  • any one of several gaseous compounds of carbon and hydrogen, some of with make up illuminating gas.
Webster 1913

heavy hydrogen

  • noun an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
    deuterium.
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hydrogen atom

  • noun an atom of hydrogen
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hydrogen azide

  • noun a colorless explosive liquid that is volatile and poisonous and foul-smelling
    HN; hydrazoic acid; azoimide.
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hydrogen bomb

  • noun a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
    H-bomb; fusion bomb; thermonuclear bomb.
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hydrogen bond

  • noun a chemical bond consisting of a hydrogen atom between two electronegative atoms (e.g., oxygen or nitrogen) with one side be a covalent bond and the other being an ionic bond
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hydrogen bromide

  • noun a colorless gas that yields hydrobromic acid in solution with water
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hydrogen carbonate

  • noun a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate
    bicarbonate.
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hydrogen chloride

  • noun a colorless corrosive gas (HCl)
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hydrogen cyanide

  • noun a highly poisonous gas or volatile liquid that smells like bitter almonds; becomes a gas at around 90 degree Fahrenheit and is most dangerous when inhaled; the anhydride of hydrocyanic acid; used in manufacturing
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Hydrogen dioxide

  • a thick, colorless liquid, H2O2, resembling water, but having a bitter, sour taste, produced by the action of acids on barium peroxide. It decomposes into water and oxygen, and is manufactured in large quantities for an oxidizing and bleaching agent. Called also oxygenated water. usually "hydrogen peroxide", or "peroxide" in weak solutions used as an antiseptic
Webster 1913

hydrogen fluoride

  • noun a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid
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hydrogen iodide

  • noun a colorless gas that yields hydroiodic acid in aqueous solution
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hydrogen ion

  • noun a positively charged atom of hydrogen; that is to say, a normal hydrogen atomic nucleus
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hydrogen ion concentration

  • noun the number of moles of hydrogen ions per cubic decimeter
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Hydrogen oxide

  • a chemical name for water, HO.
Webster 1913

hydrogen peroxide

  • noun a viscous liquid with strong oxidizing properties; a powerful bleaching agent; also used (in aqueous solutions) as a mild disinfectant and (in strong concentrations) as an oxidant in rocket fuels
    peroxide.
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hydrogen sulfide

  • noun a sulfide having the unpleasant smell of rotten eggs
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Hydrogen sulphide

  • a colorless inflammable gas, H2S, having the characteristic odor of bad eggs, and found in many mineral springs. It is produced by the action of acids on metallic sulphides, and is an important chemical reagent. Called also sulphureted hydrogen.
Webster 1913

hydrogen-bomb

  • verb attack with a hydrogen bomb
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Light carbureted hydrogen

  • marsh gas, CH4; fire damp; methane.
Webster 1913

Phosphureted hydrogen

  • . (Chem.) See Phosphine.
Webster 1913

potassium hydrogen carbonate

  • noun a crystalline salt (KHCO3) that is used in baking powder and as an antacid
    potassium acid carbonate; potassium bicarbonate.
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potassium hydrogen tartrate

  • noun a salt used especially in baking powder
    potassium bitartrate; tartar; cream of tartar.
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Siliciureted hydrogen

  • . (Chem.) Hydrogen silicide. Obs.
Webster 1913

sodium hydrogen carbonate

  • noun a white soluble compound (NaHCO3) used in effervescent drinks and in baking powders and as an antacid
    baking soda; sodium bicarbonate; saleratus; bicarbonate of soda.
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Sulphureted hydrogen

  • . (Chem.) See Hydrogen sulphide, under Hydrogen.
Webster 1913

Tellureted hydrogen

  • (Chem.), hydrogen telluride, H2Te, a gaseous substance analogous to hydrogen sulphide; called also tellurhydric acid.
Webster 1913