| NOUN | artifact | psychotropic agent | a chemical substance that can influence human consciousness |
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| Meaning | A chemical substance that can influence human consciousness. | |
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| Narrower | tranquilizer, tranquillizer, tranquilliser, antianxiety agent, ataractic drug, ataractic agent, ataractic | A drug used to reduce stress or tension without reducing mental clarity |
| Broader | drug | A substance that is used as a medicine or narcotic |
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