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phenomenology
phenomenon
phenothiazine
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phenylalanine
phenylbutazone
phenylenediamine
phenylephrine
phenylethyl alcohol
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phenylenediamine

phen·yl·ene·di·a·mine [ fènn'l een d ə mn, fn'l een d ə mn ]


noun 
Definition:
 
solid used in photographic developers: a white or dark yellow crystalline solid. Use: manufacture of photographic developers and dyestuffs. C6H8N2

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