Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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adj
Not having a placenta (said of e.g. marsupials and monotremes).
Definition source: English Wiktionary via Wiktextract
Usage: archaic, not-comparable
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A mammal having no placenta.
Definition source: English Wiktionary via Wiktextract
Usage: archaic
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From im- + placental.
