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molt

molt

3 6.7
The act of shedding old feathers, skin, hair, or shell so new ones can grow
  • noun
  • /moʊlt/
  • Specialized
translation icon : muda
  • Warmer water may also provide a thermal advantage to adults undergoing seasonal molt (Watts et al., 1991).
  • one molt
  • several molts

Examples

  • Some change color: weasels, for example, molt to white, becoming winter ermines.

    Academic text (1991)
  • The larval period, which includes three molts into successively larger individuals, takes one to three weeks.

    Academic text (1992)
  • - I thought the molt was over.

  • In Rhode Island and central and western Long Island Sound, egg production within one molt of legal size is now 95%.

    Academic text (1999)
  • Could the chicks grow fast enough to fledge before their parents had to desert them to molt?

    Academic text (2008)
  • Parents fattening for the molt would have to either desert their offspring before they were ready to fledge or die themselves.

    Academic text (2008)
  • Tag retention through several molts is about 90% (Wickins et al., 1986).

    Academic text (1999)
  • Adults and pups are segregated during the molt (Trukhin and Kosygin, 1988).

    Academic text (1997)
  • Stage II and III larvae are also positively phototactic several hours before molting; post-molt they become negatively phototactic (Hadley, 1908).

    Academic text (1999)
  • The bird underwent its annual molt, losing old feathers to make way for new ones.

Synonyms

shedding
vsmolt
3 3.4

Losing hair or leaves naturally from animals and plants

is the specific animal process of periodic outer covering loss for growth
molting
vsmolt
  • Specialized
2 6.1

An animal sheds old skin, feathers, or shell to grow

is the same process but expressed as the verb form rather than the noun
ecdysis
vsmolt
  • Specialized
9.9

A process animals like insects or snakes use to shed old skin to grow

is the general periodic shedding of outer coverings across many animals

Surface Forms

molt singular
molts plural

Etymology

Molt comes from old words meaning 'to cast off' or 'to change', and it names the time when an animal drops its old feathers, skin, or shell. So a bird's molt is when it 'sheds' its old covering to make room for new growth.