| a fool or simpleton; ninny. |
| a screen or mat covered with a dark material for shielding a camera lens from excess light or glare. |
dieldrin di·el·drin (dī-ěl'drĭn, dēl'-)
n.
A chlorinated hydrocarbon used as an insecticide and in mothproofing.
| dieldrin (dēl'drĭn) Pronunciation Key
A light tan, toxic, carcinogenic compound used as an insecticide on fruit, soil, and seed, and in controlling tsetse flies and other carriers of tropical diseases. Chemical formula: C12H8Cl6O. |