【机】 alactacid
naught; nonexistence; not; nothing; without; lack; zero
【医】 a-; leipo-; lipo-; non-
【化】 ethylidene lactic acid; lactic acid; nancic acid
【医】 alpha-hydroxypropionic acid; ethylidene lactic acid; hydracrylic acid
lactic acid; oxypropionic acid; sarcolactic acid