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Pronunciation varies by accent · noun
(organic chemistry, obsolete) The bitter principle of common tansy (Tanacetum vulgare)..
Use tanacetin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Tanacetin means (organic chemistry, obsolete) The bitter principle of common tansy (Tanacetum vulgare)..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use tanacetin where its definition matches the intended context.
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