viviparity
noun
vi·vi·par·i·ty
ˌvī-və-ˈper-ə-tē 
-ˈpa-rə-,
ˌvi-
: the quality or state of being viviparous
Examples of viviparity in a Sentence
Recent Examples on the Web
Live birth, also known as viviparity, is common throughout the animal world, and not just among mammals.
—
Jake Buehler, National Geographic, 8 June 2020
Is there some primordial reason for this strict reproductive dichotomy between egg laying (oviparity) and live birth (viviparity)?
—Quanta Magazine, 18 May 2020
Aside from being a great weapon to have in your arsenal when playing Scrabble, viviparity just means giving birth to live young rather than oviparity (egg-laying).
—Gemma Tarlach, Discover Magazine, 14 Feb. 2017
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Jake Buehler, National Geographic, 8 June 2020
Is there some primordial reason for this strict reproductive dichotomy between egg laying (oviparity) and live birth (viviparity)?
—Quanta Magazine, 18 May 2020
Aside from being a great weapon to have in your arsenal when playing Scrabble, viviparity just means giving birth to live young rather than oviparity (egg-laying).
—Gemma Tarlach, Discover Magazine, 14 Feb. 2017
Cite this Entry
“Viviparity.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/viviparity. Accessed 31 Oct. 2025.
Copy CitationMedical Definition
viviparity
noun
vi·vi·par·i·ty
ˌvī-və-ˈpar-ət-ē
ˌviv-ə-
ˌviv-ə-
plural viviparities
: the quality or state of being viviparous
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