phytotoxicant
/ˌfʌɪtəʊˈtɒksɪk(ə)nt/noun
A substance poisonous or injurious to plants; especially one present in the air. Also attributive or as adjective: phytotoxic.
Origin
1950s; earliest use found in Scientific Monthly. From phyto- + toxicant, after phytotoxic.
- lifespan
- life spring
- life stage
- life story
- life string
- lifestyle
- lifestyle block
- lifestyle choice
- lifestyle drug
- lifestyler
- life support
- life-supporting
- life support machine
- life-sustaining
- life's work
- life system
- life table
- life tenancy
- life tenant
- life term
- life test
- life testing
- life-threatening
- life-tide
- lifetime