from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Any of various unsaturated hydrocarbons, C10H16, found in essential oils and oleoresins of plants such as conifers and used in organic syntheses.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A very large class of naturally occurring and synthetic organic compounds formally derived from the hydrocarbon isoprene; they include many volatile compounds used in perfume and food flavours, turpentine, the steroids, the carotene pigments and rubber.
from the GNU version of the Collaborative International Dictionary of English
- n. Any one of a series of isomeric hydrocarbons of pleasant aromatic odor, occurring especially in coniferous plants and represented by oil of turpentine, but including also certain hydrocarbons found in some essential oils.
from The Century Dictionary and Cyclopedia
- n. Any one of a class of hydrocarbons having the common formula C10H16, found chiefly in essential oils and resins.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. an unsaturated hydrocarbon obtained from plants
Obsolete terp(entine), variant of turpentine + -ene.(American Heritage® Dictionary of the English Language, Fourth Edition)