PYRETHROID

Meaning of PYRETHROID in English

transcription, транскрипция: [ -ˈrē-ˌthrȯid, -ˈre- ]

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's Collegiate English vocabulary. Энциклопедический словарь английского языка Merriam Webster. 2003

PYRETHROID — noun Etymology: pyrethrin + -oid Date: 1949 any of various synthetic compounds that are related to the pyrethrins and resemble …
Толковый словарь английского языка - Merriam Webster
PYRETHROID — pīˈrēˌthrȯid, -ˈreˌ- noun ( -s ) Etymology: pyrethr in + -oid (I) : any of various synthetic compounds related to …
Webster's New International English Dictionary
PYRETHROID — /puy ree"throyd, -reth"royd/ , n. Chem. any of several synthetic compounds that are similar to but more persistent than natural …
Random House Webster's Unabridged English Dictionary
PYRETHROID — [py.re.throid] n [pyrethrin + -oid] (1949): any of various synthetic compounds that are related to the pyrethrins and resemble them …
Merriam-Webster English vocab
PYRETHROID — Пиретроиды
Американский Англо-Русский словарь
PYRETHROID — Pronunciation: - ' r ē - ˌ thro ̇ id, - ' re- Function: noun Etymology: pyrethr in + -oid …
Merriam Webster Collegiate English Dictionary
PERMETHRIN — noun Etymology: per- + methyl + pyrethrin Date: 1976 a synthetic pyrethroid C 21 H 20 Cl 2 O 3 …
Толковый словарь английского языка - Merriam Webster
ALLETHRIN — noun Etymology: allyl + pyrethrin Date: 1950 a light yellow viscous oily synthetic pyrethroid insecticide C 19 H 26 O …
Толковый словарь английского языка - Merriam Webster
PERMETHRIN — (ˌ)pərˈmethrə̇n noun ( -s ) Etymology: per- + meth yl + pyreth rin : a synthetic pyrethroid C 21 H …
Webster's New International English Dictionary
PERMETHRIN — noun Etymology: per- + meth yl + pyreth rin Date: 1976 : a synthetic pyrethroid C 21 H 20 Cl …
Merriam-Webster's Collegiate English vocabulary
ALLETHRIN — noun Etymology: all yl + pyr ethrin Date: 1950 : a light yellow viscous oily synthetic pyrethroid insecticide C 19 …
Merriam-Webster's Collegiate English vocabulary
PYRETHRIN — [ pʌɪ'ri:θrɪn ] ■ noun Chemistry any of a group of insecticidal compounds present in pyrethrum flowers. Derivatives pyrethroid noun
Concise Oxford English vocab
PERMETHRIN — [ pə'mi:θrɪn ] ■ noun a synthetic insecticide of the pyrethroid class, used chiefly against disease-carrying insects. Origin 1970s: from …
Concise Oxford English vocab
ПИРЕТРОИДЫ — Pyrethroid
Русско-Американский Английский словарь

Merriam-Webster's Collegiate English vocabulary

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