noun
fish wax; marine wax esters
A wax produced from fish oil, used in traditional crafts, polishes, and sometimes as a substitute for plant waxes. The term can also refer to the chemical class of marine wax esters.
魚蝋は、魚油から作られる蝋の一種です。
Fish wax is a type of wax made from fish oil.
このろうそくには魚蝋が使われている。
This candle uses fish wax.
Compound of 魚 (ぎょ, 'fish') and 蝋 (ろう, 'wax'). The exact historical derivation is uncertain, but the term straightforwardly describes wax obtained from fish.