from The Century Dictionary and Cyclopedia

  • n. A substance which serves as a preventive or protective remedy against insects by expelling them, but not necessarily killing them.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a chemical substance that repels insects


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    Sorry, no example sentences found.


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  • See citation on pyrethrum.

    July 12, 2017