ACETOSE
Ac"e*tose, a.
Defn: Sour like vinegar; acetous.
ACETOSITY
Ac`e*tos"i*ty, n. Etym: [LL. acetositas. See Acetous.]
Defn: The quality of being acetous; sourness.
ACETOUS A*ce"tous (#; 277), a. Etym: [L. acetum vinegar, fr. acere to be sour.]
1. Having a sour taste; sour; acid. "An acetous spirit." Boyle. "A liquid of an acetous kind." Bp. Lowth.
2. Causing, or connected with, acetification; as, acetous fermentation. Acetous acid, a name formerly given to vinegar.
ACETYL
Ac"e*tyl, n. Etym: [L. acetum vinegar + Gr. -yl.] (Chem.)
Defn: A complex, hypothetical radical, composed of two parts of carbon to three of hydrogen and one of oxygen. Its hydroxide is acetic acid.
ACETYLENE
A*cet"y*lene, n. (Chem.)