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| sub·stit·u·ent [ səb stíchoo ənt ] (plural sub·stit·u·ents) |
noun |
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| Definition: |
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replacement atom or atoms: an atom or group of atoms that replaces another atom or group in a molecule
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| [Late 19th century. < Latin substituent-, present participle of substituere "set up under" (see substitute)] |
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