ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  synthetic substance - a compound made artificially by chemical reactionsPlasticine - a synthetic material resembling clay but remaining soft; used as a substitute for clay or wax in modeling (especially in schools) phosphor - a synthetic substance that is fluorescent or phosphorescent; used to coat the screens of cathode ray tubes chemical compound, compound - (chemistry) a substance formed by chemical union of two or more elements or ingredients in definite proportion by weight synthetic rubber, rubber - any of various synthetic elastic materials whose properties resemble natural rubber |
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