Pronunciation: - ' r ē - ˌ thro ̇ id, - ' re-
Function: noun
Etymology: pyrethr in + -oid
Date: 1949
: any of various synthetic compounds that are related to the pyrethrins and resemble them in insecticidal properties
– pyrethroid adjective
Pronunciation: - ' r ē - ˌ thro ̇ id, - ' re-
Function: noun
Etymology: pyrethr in + -oid
Date: 1949
: any of various synthetic compounds that are related to the pyrethrins and resemble them in insecticidal properties
– pyrethroid adjective
Merriam Webster Collegiate English Dictionary. Merriam Webster - Энциклопедический словарь английского языка. 2012