Meanings
monotrematous1
adjectivemonotrematous (not comparable)
monotrematous2
adjectivemonotrematous (not comparable)
- not comparablebiologyOf the olfactory organ of a fish, having a single opening from which water flows in and out.
The anatomy of the olfactory organ of Belone belone differs clearly from so-called monotrematous olfactory organs.
2005, Klaus Reutter, Fish Chemosenses, page 231 more example
Three-spined sticklebacks, similar to their Spinachia cousins, are monotrematous, that is, each olfactory organ has only a single naris.
2006, Sara Ostlund-Nilsson, Biology of the Three-Spined Stickleback, page 200
Synonyms & antonyms
adjectiveOf or pertaining to the Monotremata or monotremes.
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APA
monotrematous. (n.d.). In WatkinsX Dictionary. Retrieved November 4, 2026, from https://dictionary.watkinsx.com/word/monotrematous
MLA
“monotrematous.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/monotrematous. Accessed November 4, 2026.
Chicago
WatkinsX Dictionary, s.v. “monotrematous,” accessed November 4, 2026, https://dictionary.watkinsx.com/word/monotrematous.
Source: monotrematous on Wiktionary, CC BY-SA 4.0.