> as lemmas
biorational
biorational adj. 
/ˌbʌɪə(ʊ)ˈraʃən(ə)l/,
Brit. /ˌbʌɪə(ʊ)ˈraʃn̩(ə)l/
, /ˌbʌɪə(ʊ)ˈraʃn̩(ə)l//ˌbʌɪə(ʊ)ˈraʃən(ə)l/U.S. /ˌbaɪoʊˈræʃ(ə)nəl/
Agriculture designating or relating to pest and weed control agents used because of their specific effects upon the organisms they are intended to control, rather than because of their toxicity or other general effects; employing or involving such agents./ˌbaɪoʊˈræʃ(ə)nəl/ΚΠ
1974 C. Djerassi et al. in Science 15 Nov. 599/1 Another chemical approach..can best be categorized as the use of ‘biorational’ chemical agents. We have coined this term in order to avoid the great confusion in the literature between chemical and biological control of insects. Typical examples of biorational chemical agents would be pheromones,..insect hormones..and hormone antagonists.
1995 Nova Scotia Agric. Coll. 1995–96 Cal. 112 Biorational approaches to weed control..will be included in discussions.
2008 Florida Times-Union (Nexis) 9 Aug. d1 Make sure you are using biorational pesticides to protect your pollinators so that they can set the fruit.
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as lemmas
- straw-fork
- straw-gold
- straw-hatted
- straw-hatter
- straw-hatting
- straw-house
- straw-knife
- stout party
- stout pharaoh
- stout-armed
- stout-bodied
- stout-built
- stout-defended
- stout-formed
- stout-hearted
- stout-limbed
- stout-looking
- stout-made
- stout-minded
- stout-sided
- stout-soled
- stout-stomached
- stout-winged
- stout-worded
- stoutarmed