Definition of bivoltine
1 : producing two broods in a season —used especially of silkworms
2 of insects : having two generations a year, a summer generation without diapause and a winter generation with diapause
bivoltinism\-ənˌizəm\ noun, plural
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Origin and Etymology of bivoltine
French bivoltin, from bi- 1bi- + Italian volta time, instance (from—assumed—Vulgar Latin volvita, from Latin volvere to turn) + French -in -ine
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