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| an extraordinary or unusual thing, person, or event; an exceptional example or instance. |
| a printed punctuation mark (‽), available only in some typefaces, designed to combine the question mark (?) and the exclamation point (!), indicating a mixture of query and interjection, as after a rhetorical question. |
chlordane chlor·dane (klôr'dān')
n.
A chlorinated hydrocarbon used as an insecticide that may be absorbed through the skin with resultant severe toxic effects.
| chlordane (klôr'dān') also chlordan (klôr'dān') Pronunciation Key
A colorless, odorless, viscous liquid that occurs in several isomers and was formerly used as an insecticide. Because it can damage the liver and nervous system and remains as a toxin in the environment for many years, chlordane was banned in 1988. Chemical formula: C10H6Cl8. |
chlordane
a chlorinated cyclodiene that is the principal isomer formed in the preparation of a contact insecticide of the same name. Chlordane is a thick, odourless, amber liquid with a molecular formula of C10H6Cl8. The compound's accepted name is octachlorohexahydromethanoindene.
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