limonene

[n] - a liquid terpene with a lemon odor
Found on http://www.webdictionary.co.uk/definition.php?query=limonene

limonene

noun a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
Found on http://wordnetweb.princeton.edu/perl/webwn?s=limonene

limonene

a colourless liquid abundant in the essential oils of pine and citrus trees and used as a lemonlike odorant in industrial and household products and ...
Found on http://www.britannica.com/eb/a-z/l/52

Limonene

Limonene is a terpene occurring in the oil of lemon, lime, lavender, caraway and bergamot.
Found on http://www.probertencyclopaedia.com/browse/GL.HTM
No exact match found