phytohormone

[fahy-tuh-hawr-mohn] /ˌfaɪ təˈhɔr moʊn/
noun
1.
hormone (def 3).
Origin
1930-35; phyto- + hormone
British Dictionary definitions for phytohormone

phytohormone

/ˌfaɪtəʊˈhɔːməʊn/
noun
1.
a hormone-like substance produced by a plant
phytohormone in Science
phytohormone
  (fī'tō-hôr'mōn')   
See plant hormone.