Definitions

from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A crystalline compound, C18H18, derived from pine tar, fossil resins, and tar oils.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. A hydrocarbon, polymeric with benzene, that is extracted from pine tar and also found in certain fossil resins.

from the GNU version of the Collaborative International Dictionary of English

  • n. A white crystalline hydrocarbon, polymeric with benzene. It is extracted from pine tar, and is also found in certain fossil resins.

from The Century Dictionary and Cyclopedia

  • n. A crystalline hydrocarbon, C18H18, found in resinous woods and certain fossil gums and resins: also made by distilling rosin-oil with sulphur. It is 8-methyl-5-isopropylphenan-threne. It melts at 98.5° C. and boils at 390° C.

Etymologies

From Greek rhētīnē, resin.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek for "pine resin". (Wiktionary)

Examples

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