Pyrethrum

What do we mean by pyrethrum?

A Eurasian perennial plant (Tanacetum coccineum) in the composite family, cultivated for its colorful flower heads and formerly used as a source of an insecticide. noun

A closely related perennial plant (Tanacetum cinerariifolium), commercially cultivated as the source of an insecticide. noun

An insecticide made from the dried flower heads of any of these plants. noun

A plant of the genus Pyrethrum; feverfew. noun

capitalized A former genus of composite plants of the tribe Anthemideæ, now included as part of the section Pyrethra in the genus Chrysanthemum, from which it was distinguished by achenes nearly equally from five- to ten-ribbed and crowned with a pappus, characters now known to vary in the same species. noun

A powdered preparation of pyrethrum, used as an insectifuge. Also called pyrethrum-powder. See insect-powder and buhach. noun

In pharmacy, the Anacyclus Pyrethrum, or pellitory-of-Spain. noun

Any of several perennial African plants of the genus Chrysanthemum, especially Chrysanthemum cinerariaefolium noun

Any of several insecticides obtained from these plants; pyrethrin noun

Made of dried flower heads of pyrethrum plants noun

White-flowered pyrethrum of Balkan area whose pinnate leaves are white and silky-hairy below; source of an insecticide; sometimes placed in genus Chrysanthemum noun

Used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum noun

Spring-flowering garden perennial of Asiatic origin having finely divided aromatic leaves and white to pink-purple flowers; source of an insecticide; sometimes placed in genus Chrysanthemum noun

Any of several daisy-like perennial African plants of the genus Tanacetum, especially Tanacetum cinerariifolium.

Anacyclus pyrethrum (pellitory of Spain)

Any of several insecticides obtained from these plants; pyrethrin.

Words that are spelled similarly to pyrethrum:
pyrethrum, plethrum, pyrethrin, pyrethrums.

Words that are triggered by (strongly associated with) the word pyrethrum:
pellitory, chrysanthemum, insecticide, sisal, powder, extract, synthetic, insects, crop, flowers, tea, crops, root, organic, grown, cash, exposure, plants, genus, derived, natural, activity, active, plant, important, production, health.

Words that rhyme with pyrethrum:
pyre thrum.

Adjectives that are often used to describe pyrethrum:
natural, powdered, anacyclus, dalmatian, concentrated, japanese, synthetic, botanical, fresh, crude, commercial, african, golden, pure, yellow, tricky, grown, fine, kerosene.

Nouns that are often described by the adjective pyrethrum:
powder, soap, oil, spray, dust, flowers, ddt, parthenium, roseum, piperonyl, root, tincture, sprays, uliginosum.

Consonant match to pyrethrum:
pyre thrum.

Words that sound like pyrethrum:
pyrethrum, barathrum, poriferan, paratha, brethren, part from, parera, paraffin, paragram, pressroom, paraffine, pyridium, plethra, parthian, prodrome, pierian, pithom, prothero, pyrogen, prothro, par three, pythium, poriferal.