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Pronunciation varies by accent · noun
(botany, zoology) A needlelike spine or bristle, specially the seta of an annelid.
Use aciculum when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Aciculum means (botany, zoology) A needlelike spine or bristle, specially the seta of an annelid.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use aciculum where its definition matches the intended context.
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