catastrophic moult
English
Alternative forms
catastrophic molt
(
US
)
:
Noun
catastrophic
moult
(
plural
catastrophic moults
)
(
ornithology
)
A
moult
, typically in
penguins
, in which most or all of the
feathers
are shed at the same time
(
zoology
)
A similar process in some
seals
in which large areas of
skin
are lost