| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | concerned with atom and molecule change |
| Synonyms: | actinic, alchemical, enzymatic, synthesized, synthetic, synthetical |
| Main Entry: | plastic |
| Part of Speech: | adjective |
| Definition: | artificial; made of manufactured compounds |
| Synonyms: | cast, chemical, ersatz, false, manufactured, phony, pseudo*, substitute, synthetic, unnatural |