• (n.) Any oil substance having a hyacinthine odor, obtained by the action of acids on terpin, and regarded as a related hydrate.
Ter'pin·ol noun [ Terpin + Latin ol eum oil.] (Chemistry) Any oil substance having a hyacinthine odor, obtained by the action of acids on terpin, and regarded as a related hydrate. 
Type: Term Pronunciation: ter′pin-ol Synonyms: terpin hydrate