Word Study
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: Pâ Pæ Pè Pé Pœ P- P. P/ P< Pa Pb Pc Pd Pe Pf Ph Pi Pj Pk Pl Pm Pn Po Pp Pr Ps Pt Pu Pv Pw Px Py
pyrethrum
OXFORD DICTIONARY
pyrethrum, n.
1 any of several aromatic chrysanthemums of the genus Tanacetum, esp. T. coccineum.
2 an insecticide made from the dried flowers of these plants, esp. Tanacetum cinerariifolium.
1 any of several aromatic chrysanthemums of the genus Tanacetum, esp. T. coccineum.
2 an insecticide made from the dried flowers of these plants, esp. Tanacetum cinerariifolium.
Etymology
L f. Gk purethron feverfew
For further exploring for "pyrethrum" in Webster Dictionary Online