pyrethrin

py·re·thrin

P p

Transcription

- US Pronunciation
- US IPA
- [pahy-ree-thrin, -reth-rin]
- /paɪˈri θrɪn, -ˈrɛθ rɪn/

- US Pronunciation
- US IPA
- [pahy-ree-thrin, -reth-rin]
- /paɪˈri θrɪn, -ˈrɛθ rɪn/

Definitions of pyrethrin word

noun pyrethrin Also called pyrethrin I. a viscous, water-insoluble liquid, C 2 1 H 2 8 O 3 , extracted from pyrethrum flowers, used as an insecticide. 1
noun pyrethrin Also called pyrethrin II. a like compound, C 2 2 H 2 8 O 5 , obtained and used similarly. 1
noun pyrethrin an oily water-insoluble compound used as an insecticide. Formula: C21H28O3 0
noun pyrethrin a compound of similar chemical structure and action, also found in pyrethrum. Formula: C22H28O5 0
noun pyrethrin either of two liquid esters, C21H28O3 or C22H28O5, derived from chrysanthemums: the active ingredient of pyrethrum 0

See all 5 definitions of pyrethrin

Information block about the term

Origin of pyrethrin

First appearance:

before 1830

One of the 36% newest English words

First recorded in 1830-40; pyrethr(um) + -in2

Historical Comparancy

Parts of speech for Pyrethrin

noun

adjective

verb

adverb

pronoun

preposition

conjunction

determiner

exclamation

Full grammatical hierarchy of Pyrethrin

pyrethrin popularity

A pretty common term. Usually people know it’s meaning, but prefer to use a more spread out synonym. About 50% of English native speakers know the meaning and use word.

This word is included in each student's vocabulary. Most likely there is at least one movie with this word in the title.

pyrethrin usage trend in Literature

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