Pyrethrine definitions

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Pyrethrine

Pyrethrine logo #21002• (n.) An alkaloid extracted from the root of the pellitory of Spain (Anacyclus pyrethrum).
Found on http://thinkexist.com/dictionary/meaning/pyrethrine/

Pyrethrine

Pyrethrine logo #20972Pyr'eth·rine noun (Chemistry) An alkaloid extracted from the root of the pellitory of Spain ( Anacyclus pyrethrum ).
Found on http://www.encyclo.co.uk/webster/P/203
No exact match found.