mammaldom en · NOUN
Etymology
From mammal + -dom.
Meanings
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(rare, uncountable) The condition of being a mammal.
But why, in all mammaldom, would a jackrabbit need a spring-loaded belly?
2009, Christopher McDougall, Born to Run, page 214:At the museum, visitors are reminded that mammaldom did not confer any major advantages on its earliest practitioners.
2007 February 20, Natalie Angier, “A Mammal in Winter With a Furnace of Her Own”, in New York Times:The whole of this vast mammaldom which so dwarfs us is itself no more than a tenth of the entirety of the vertebrates (the backboned animals).
1951, Alan Devoe, This Fascinating Animal World, page 4: