Search Result for "phytochemical": 
Wordnet 3.0

NOUN (1)

1. a chemical substance obtained from plants that is biologically active but not nutritive;


The Collaborative International Dictionary of English v.0.48:

Phytochemical \Phy`to*chem"ic*al\, a. Relating to phytochemistry. --R. Hunt. [1913 Webster]
WordNet (r) 3.0 (2006):

phytochemical n 1: a chemical substance obtained from plants that is biologically active but not nutritive