己二酸
巳二酸
肥酸

[ noun ]
a carboxylic acid used in the manufacture of nylon
<noun.substance>

adipic acid \adipic acid\
an aliphatic dicarboxylic acid ({HO.CO.(CH2)4.CO.OH}),
containing six carbon atoms in a linear chain. It is found in
beet juice. It is used in the manufacture of synthetic
plastics such as Nylon, as well as other products.
[PJC]