I. "ˌ adjective
Etymology: phyt- + chemical (I)
: of, relating to, or being phytochemistry
• phy·to·chemically "ˌ adverb
II. noun
Etymology: phyt- + chemical (II)
: a chemical compound (as beta-carotene or isothiocyanate) occurring naturally in plants
promoted the health benefits of phytochemicals