名詞 molt:

1. periodic shedding of the cuticle in arthropods or the outer skin in reptiles
   同義詞：molting, moult, moulting, ecdysis

動(dòng)詞 molt:

1. cast off hair, skin, horn, or feathers
   同義詞：shed, exuviate, moult, slough

molt

v.（動(dòng)詞）
molt.ed,molt.ing,molts
v.intr.（不及物動(dòng)詞）
To shed periodically part or all of a coat or an outer covering, such as feathers, cuticle, or skin, which is then replaced by a new growth.
蛻皮，換毛：分階段地脫掉部分或全身的皮毛或表面覆蓋物，如羽毛、表皮或外皮，隨后便為新長出的代替
v.tr.（及物動(dòng)詞）
To shed or cast off (a bodily covering).
脫掉，蛻掉：脫掉或蛻掉（身體覆蓋物）
n.（名詞）
The act or process of molting.
脫毛，蛻皮，脫角：脫換的動(dòng)作或過程
The material cast off during molting.
脫換物：脫換中脫掉的物質(zhì)

來源：
Alteration of Middle English mouten
中古英語 mouten的變化
from Old English -môtian in bemôtian [to exchange for]
源自 古英語 -môtian 在 bemôtian之中 [交換]
from Latin môt3re [to change] * see mei-
源自 拉丁語 môt3re [改變] *參見 mei-

【引伸】
molt.er
n.（名詞）