| pheromone |
a chemical substance secreted externally by some animals (especially insects) that influences the physiology or behavior of other animals of the same species
Ãâó: wordnet.princeton.edu/perl/webwn
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| phosphorous acid |
hypophosphorous acid: a clear or yellow monobasic acid (H3PO2)
Ãâó: wordnet.princeton.edu/perl/webwn
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| photo- |
photograph: a picture of a person or scene in the form of a print or transparent slide; recorded by a camera on light-sensitive material
Ãâó: wordnet.princeton.edu/perl/webwn
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| photosynthesis |
synthesis of compounds with the aid of radiant energy (especially in plants)
Ãâó: wordnet.princeton.edu/perl/webwn
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| physiognomy |
countenance: the human face (`kisser' and `smiler' and `mug' are informal terms for `face' and `phiz' is British)
Ãâó: wordnet.princeton.edu/perl/webwn
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