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
Having a single trema, or aperture.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: biology, chemistry, microbiology, natural-sciences, palynology, physical-sciences
No example sentence was provided for this meaning.
Synonyms: 1-treme, monoaperturate
Antonyms: none provided
noun
Any of the order Monotremata of mammals that lay eggs and have single orifices for urogenital and digestive functions (cloaca); an echidna, platypus or one of their extinct relatives.
Definition source: English Wiktionary via Wiktextract
Topics: biology, natural-sciences, zoology
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
the most primitive mammals comprising the only extant members of the subclass Prototheria
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: egg-laying mammal
Antonyms: none provided
Broader terms: prototherian
Narrower terms: echidna, spiny anteater, anteater, platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus
History
From mono- (“one”) + -treme (“hole”).
Across languages
38 source translations are retained for this English entry.
