1. 
   limonene
   [n] - a liquid terpene with a lemon odor
   Found op http://www.webdictionary.co.uk/definition.php?query=limonene
   
   
2. 
   limonene
   noun a liquid terpene with a lemon odor; found in lemons and oranges and other essential oils
   Found op http://wordnetweb.princeton.edu/perl/webwn?s=limonene
   
   
3. 
   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 op http://www.britannica.com/eb/a-z/l/52
   
   
4. 
   Limonene
   Limonene is a colourless liquid hydrocarbon classified as a cyclic terpene. The more common D isomer possesses a strong smell of oranges. It is used in chemical synthesis as a precursor to carvone and as a renewably-based solvent in cleaning products. Limonene takes its name from the lemon, as the ...
   Found op http://en.wikipedia.org/wiki/Limonene
   
   
5. 
   Limonene
   Limonene is a terpene occurring in the oil of lemon, lime, lavender, caraway and bergamot.
   Found op http://www.probertencyclopaedia.com/browse/GL.HTM
   
   
6. 
   limonene
   1) Terpene
   Found op http://www.mijnwoordenboek.nl/EN/crossword-dictionary/limonene/1
   
   

Tip: double click on a word to show its meaning.