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Pronunciation varies by accent · adjective
(astronomy) Describing the period, and the events, prior to a star becoming a supernova.
Use presupernova when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Presupernova means (astronomy) Describing the period, and the events, prior to a star becoming a supernova.
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
Use presupernova where its definition matches the intended context.
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