[化] ┼烯

[医] 柠檬烯

[ noun ]
a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
<noun.substance>

limonene \limonene\ n.
a liquid terpene with a lemon odor; found in lemons and
oranges and other essential oils.
[WordNet 1.5]