[quaternary ammonium compound] n (ca. 1934): any of numerous strong bases and their salts derived from ammonium by replacement of the hydrogen atoms with organic radicals and important esp. as surface-active agents, disinfectants, and drugs
QUATERNARY AMMONIUM COMPOUND
Meaning of QUATERNARY AMMONIUM COMPOUND in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012