Definition of insecticide noun from the Oxford Advanced American Dictionary

 

insecticide

 noun
noun
NAmE//ɪnˈsɛktəˌsaɪd//
 
[countable, uncountable]
 
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a chemical used for killing insects crops sprayed with insecticides see also herbicide, pesticide
insecticidal
 
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NAmE//ɪnˌsɛktəˈsaɪdl//
 
adjective
See the Oxford Advanced Learner's Dictionary entry: insecticide