Mammalian

//məˈmeɪl.jən// adj, noun

adj, noun ·Uncommon ·Advanced level

Definitions

Noun
  1. 1
    Any mammal.
  2. 2
    any warm-blooded vertebrate having the skin more or less covered with hair; young are born alive except for the small subclass of monotremes and nourished with milk wordnet
Adjective
  1. 1
    Of, or pertaining to, mammals.

    "The single-imaging optic of the mammalian eye offers some distinct visual advantages. Such lenses can take in photons from a wide range of angles, increasing light sensitivity. They also have high spatial resolution, resolving incoming images in minute detail."

  2. 2
    Like a mammal.
Adjective
  1. 1
    of or relating to the class Mammalia wordnet

Example

More examples

"By their appearance, dolphins might look like fish, but they actually belong to the mammalian family."

Etymology

From mammal + -ian.

Related phrases

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.