Definition of phytocidal in English:

phytocidal

adjective

  • Lethal or injurious to plants.

Origin

1930s; earliest use found in Annual Reports East Malling Research Station 1933. From phyto- + -cidal.

Pronunciation

phytocidal

/ˌfʌɪtə(ʊ)ˈsʌɪdl/