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| se·mi·o·chem·i·cal [ smee ō kémmik'l, sèmmee ō kémmik'l ] (plural se·mi·o·chem·i·cals) |
noun |
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| Definition: |
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animal attractor: an organic chemical that plays a role in animal communication, e.g. pheromone
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| [Late 20th century. < Greek sēmeion "sign" (see semiology)] |
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