bivoltine

adjective

bi·​vol·​tine

bīˈvōlˌtēn

variants or less commonly bivoltin

-ᵊn

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 -s

Word History

Etymology

French bivoltin, from bi- bi- entry 1 + Italian volta time, instance (from—assumed—Vulgar Latin volvita, from Latin volvere to turn) + French -in -ine

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

• More than 250,000 words that aren't in our free dictionary
• Expanded definitions, etymologies, and usage notes
• Advanced search features
• Ad free!