American Heritage Dictionary
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Century Dictionary
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GNU Webster's 1913
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WordNet
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Elsewhere on the web
Coenogonous: oviparous at one season of the year, ovoviviparous at another, as in Aphididae.— Explanation of Terms Used in Entomology
Garter snakes are ovoviviparous.— The Albert Lea Tribune
Over 20 oviparous specifically expressed genes were identified through screening the subtracted cDNA library enriched between oviparous and ovoviviparous— Journal of Biological Chemistry current issue

Century Dictionary (1)
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