hydrofluoric acid
— Navneord
– Engelsk
～ a weak poisonous liquid acid; formed by solution of hydrogen fluoride in water
hydrofluorocarbon
— Navneord
– Engelsk
～ a fluorocarbon emitted as a by-product of industrial manufacturing
hydrofluosilicic acid
— Navneord
– Engelsk
～ an unstable poisonous corrosive acid known primarily in the form of its salts
hydrofobi
— Navneord
– Dansk
～ angst for el. stort ubehag ved at bade i et hav, e ...
hydrofoil
— Navneord
– Engelsk
～ a device consisting of a flat or curved piece (as a metal plate) so that its surface reacts to the water it is passing through; "the fins of a fish act as hydrofoils"
hydrofoil
— Navneord
– Engelsk
～ a speedboat that is equipped with winglike structures that lift it so that it skims the water at high speeds; "the museum houses a replica of the jet hydroplane that broke the record"
hydrofoil
— Navneord
– Dansk
～ skib med bæreflader der løfter skibets skrog op ov ...
hydrofoilbåd
— Navneord
– Dansk
～ skib med bæreflader der løfter skibets skrog op ov ...
hydrofon
— Navneord
– Dansk
～ mikrofon hvormed man under vandoverfladen kan regi ...
hydrogel
— Navneord
– Engelsk
～ a colloidal gel in which water is the dispersion medium
heavy hydrogen
— Navneord
– Engelsk
～ an isotope of hydrogen which has one neutron (as opposed to zero neutrons in hydrogen)
hydrogen bromide
— Navneord
– Engelsk
～ a colorless gas that yields hydrobromic acid in solution with water
hydrogen azide
— Navneord
– Engelsk
～ a colorless explosive liquid that is volatile and poisonous and foul-smelling
hydrogen chloride
— Navneord
– Engelsk
～ a colorless corrosive gas (HCl)
hydrogen
— Navneord
– Engelsk
～ 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 fluoride
— Navneord
– Engelsk
～ a colorless poisonous corrosive liquid made by the action of sulphuric acid on calcium fluoride; solutions in water are hydrofluoric acid
hydrogen bond
— Navneord
– Engelsk
～ 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
hydrogen cyanide
— Navneord
– Engelsk
～ 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
hydrogen bomb
— Navneord
– Engelsk
～ a nuclear weapon that releases atomic energy by union of light (hydrogen) nuclei at high temperatures to form helium
hydrogen carbonate
— Navneord
– Engelsk
～ a salt of carbonic acid (containing the anion HCO3) in which one hydrogen atom has been replaced; an acid carbonate