10-Letter Words Containing: ETHR__

• partly or entirely open to the sky

• used in former classifications for plants later placed in genus Chrysanthemum and now often included in genus Tanacetum

• made of dried flower heads of pyrethrum plants

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

• 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

• Any of several synthetic insecticides having a structure based on pyrethrin.

• Any of a number of naturally occurring insecticides extracted from the pyrethrum plant; unusual in having a cyclopropane ring.

• A synthetic insecticide, C21H20Cl2O3, used to treat head lice, nits, scabies, and in flea collars.

• remove a monarch from the throne