viviparous
Americanadjective
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Zoology. bringing forth living young rather than eggs, as most mammals and some reptiles and fishes.
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Botany. producing seeds that germinate on the plant.
adjective
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(of animals) producing offspring that as embryos develop within and derive nourishment from the body of the female parent Compare oviparous ovoviviparous
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(of plants) producing bulbils or young plants instead of flowers
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(of seeds) germinating before separating from the parent plant
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Giving birth to living young that develop within the mother's body rather than hatching from eggs. All mammals except the monotremes are viviparous.
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Compare oviparous ovoviviparous
Other Word Forms
- nonviviparity noun
- nonviviparous adjective
- nonviviparously adverb
- nonviviparousness noun
- viviparism noun
- viviparity noun
- viviparously adverb
- viviparousness noun
Etymology
Origin of viviparous
First recorded in 1640–50, viviparous is from the Latin word vīviparus bringing forth living young. See vivi-, -parous
Compare meaning
How does viviparous compare to similar and commonly confused words? Explore the most common comparisons:
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"It's a real prime area for the only native lizard that we get in Northern Ireland - the viviparous lizard," he added.
From BBC • Apr. 11, 2025
A few species of sharks are viviparous: The young develop within the mother’s body and she gives live birth.
From Textbooks • Jan. 1, 2015
A few species of sharks are viviparous, that is, the young develop within the mother’s body, and she gives live birth.
From Textbooks • Apr. 25, 2013
Variations on the theme could also be common in the other types of caecilians – offspring of the viviparous Scolecomorphidae family are known to feed on the lining of their mother’s uterus before birth.
From Scientific American • Apr. 17, 2013
And what made it worse was that, instead of tactfully ignoring it, Bernard proceeded to make open comments on this revoltingly viviparous scene.
From "Brave New World" by Aldous Huxley
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.