hydroxyl

(hi-drok’sil), n. [« hydr(ogen) + ox(ygen) + -yl.] A compound radical (OH) which has never been isolated, but which is a factor in avast number of chemical compounds. Thus, the oxygen bases are regarded as compounds of hydroxyl with electropositive atoms or radicals, as sodium hydroxid, NaOH. ‘The oxygen acids are also regarded as compounds of hydroxyl with electronegative atoms or radicals, as sulphuric acid, S0gQ(0H)g. Water may be regarded as hydroxyl hydrid, HOH. Be omnkite (hi-dr6-zing’kit), n. [