Alaskan pipeline
trans-Alaska pipeline | an oil pipeline that runs miles from wells at Prudhoe Bay to the port of Valdez |
hydrogen bomb
H-bomb
fusion bomb
thermonuclear bomb | a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium |
| oil pipeline | a pipeline used to transport oil |
pipeline
line | a pipe used to transport liquids or gases, a pipeline runs from the wells to the seaport |
riser riser pipe
riser pipeline
riser main | a vertical pipe in a building |
| hydrogen ion concentration | the number of moles of hydrogen ions per cubic decimeter |
grapevine
pipeline
word of mouth | gossip spread by spoken communication, the news of their affair was spread by word of mouth |
| pipeline company | a company that operates oil pipelines for the oil industry |
| hydrogen ion | a positively charged atom of hydrogen, that is to say, a normal hydrogen atomic nucleus |
| hydrogen bond | 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 |
hydrazoic acid
azoimide
hydrogen azide
HN | a colorless explosive liquid that is volatile and poisonous and foul-smelling |
| hydrogen cyanide | a highly poisonous gas or volatile liquid that smells like bitter almonds, becomes a gas at arounddegree Fahrenheit and is most dangerous when inhaled, the anhydride of hydrocyanic acid, used in manufacturing |
hydrogen
H
atomic number | a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas, the simplest and lightest and most abundant element in the universe |
| hydrogen atom | an atom of hydrogen |
acidic hydrogen
acid hydrogen | a hydrogen atom in an acid that forms a positive ion when the acid dissociates |
deuterium
heavy hydrogen | an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen) |
bicarbonate
hydrogen carbonate | a salt of carbonic acid (containing the anion HCO) in which one hydrogen atom has been replaced, an acid carbonate |
bicarbonate of soda
sodium hydrogen carbonate
sodium bicarbonate
baking soda
saleratus | a white soluble compound (NaHCO) used in effervescent drinks and in baking powders and as an antacid |
hydrogen peroxide
peroxide | 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 |
potassium bicarbonate
potassium acid carbonate
potassium hydrogen carbonate | a crystalline salt (KHCO) that is used in baking powder and as an antacid |
| hydrogen bromide | a colorless gas that yields hydrobromic acid in solution with water |
| hydrogen chloride | a colorless corrosive gas (HCl) |
| hydrogen fluoride | a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride, solutions in water are hydrofluoric acid |
| hydrogen iodide | a colorless gas that yields hydroiodic acid in aqueous solution |
| hydrogen sulfide | a sulfide having the unpleasant smell of rotten eggs |
cream of tartar
tartar
potassium bitartrate
potassium hydrogen tartrate | a salt used especially in baking powder |
| hydrogen-bomb | attack with a hydrogen bomb |