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Pronunciation varies by accent · noun
(organic chemistry) Any of a group of sesquiterpene lactones isolated from various composite plants of the family Asteraceae.
Use guaianolide when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Guaianolide means (organic chemistry) Any of a group of sesquiterpene lactones isolated from various composite plants of the family Asteraceae.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use guaianolide where its definition matches the intended context.
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