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Pronunciation varies by accent · noun
(zoology) The posterior margin of the fang furrow in the chelicera..
Use retromargin when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Retromargin means (zoology) The posterior margin of the fang furrow in the chelicera..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use retromargin where its definition matches the intended context.
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