transcription, транскрипция: [ ˈhaɪdrɪdʒən ]
n. Chem. a colourless gaseous element, without taste or odour, the lightest of the elements and occurring in water and all organic compounds. °Symb.: H. øhydrogen bomb an immensely powerful bomb utilizing the explosive fusion of hydrogen nuclei: also called H-BOMB. hydrogen bond a weak electrostatic interaction between an electronegative atom and a hydrogen atom bonded to a different electronegative atom. hydrogen peroxide a colourless viscous unstable liquid with strong oxidizing properties. °Chem. formula: H[2]O[2]. hydrogen sulphide a colourless poisonous gas with a disagreeable smell, formed by rotting animal matter. °Chem. formula: H[2]S. øøhydrogenous adj. [F hydrogëne (as HYDRO-, -GEN)]