(inorganic chemistry) Any binary compound of hydrogen and a halide

(organic chemistry) The hydantoin derivative 1,3-dimethylol-5, 5-dimethyl hydantoin, widely used as an antimicrobial preservative in cosmetics.

(organic chemistry) The heterocycle imidazolidine-2,4-dione derived from urea and glycolic acid; any of its many derivatives

Of or pertaining to hydrocyanic acid or its compounds

plural of hydantoin

(oil industry) A technique in which a mixture of water and sand is forced down an oil well (or similar) in order to create fractures in the oil-bearing rock and thus release more oil.

(chemistry) pyrolysis in the presence of water

present participle of hydrogen bond

plural of hydrochloric acid

simple past tense and past participle of hydrogen bond