ALL meanings of quaternary ammonium compound
quat·er·nar·y am·mo·ni·um com·pound
Q q - noun quaternary ammonium compound any of a class of salts derived from ammonium in which the nitrogen atom is attached to four organic groups, as in benzalkonium chloride; the salts are cationic surface-active compounds used as antiseptics and disinfectants. 1
- noun quaternary ammonium compound a type of ionic compound that can be regarded as derived from ammonium compounds by replacing the hydrogen atoms with organic groups 0
- noun quaternary ammonium compound any of a class of compounds in which the four hydrogen atoms of the ammonium radical are replaced by other groups, generally organic radicals: used as solvents, disinfectants, etc. 0