癸酮

guǐtóng
  1. (organic chemistry) decanone
  2. decanone

Wiktionary

Entry Composition

1 癸 guǐ
  1. tenth of the ten Heavenly Stems 十天干 shítiāngān
  2. tenth in order
  3. letter "J" or Roman "X" in list "A, B, C", or "I, II, III" etc
  4. ancient Chinese compass point: 15°
  5. deca
=2 酮 tóng ketone
=2 酮 dòng
  1. (obsolete on its own in Standard Chinese, of alcohol, vinegar) to spoil; to go bad
  2. to spoil; to go bad
=2 酮 chóng
  1. (obsolete on its own in Standard Chinese, of alcohol) to become sour
  2. to become sour