Assertion: cetacean's hair | /r/Synonym | lanugo
Facets:
value: collectively
type: MANNER
Source sentences:
text: Calves are born with only a thin layer of blubber, but some species compensate for this with a covering of fine, downy hair known as lanugo.
text: Calves are born with only a thin layer of blubber, but some species compensate for this with a covering of fine, downy hair known as lanugo.
text: The individual hairs on the coat, known collectively as lanugo, can trap heat from sunlight and keep the pup warm.