出典:Wiktionary
出典:『Wiktionary』 (2026/04/10 19:53 UTC 版)
From shell + lac, calque of French laque en écailles (literally “lac in scales/shells”). This etymology is incomplete. You can help Wiktionary by elaborating on the origins of this term. Origin of informal senses needed.
shellac (countable and uncountable, plural shellacs)
shellac (third-person singular simple present shellacs, present participle shellacking, simple past and past participle shellacked)
出典:Wikipedia
出典:『Wikipedia』 (2011/06/11 14:29 UTC 版)
Shellac is a resin secreted by the female lac bug, on trees in the forests of India and Thailand. It is processed and sold as dry flakes (pictured at right), which are dissolved in ethyl alcohol to make liquid shellac, which is used as a brush-on colorant, food glaze and wood finish. Shellac functions as a tough all-natural primer, sanding sealant, tannin-blocker, odour-blocker, stain, and high-gloss varnish. Shellac was once used in electrical applications as it possesses good insulation qualities and it seals out moisture. Phonograph (gramophone) records were also made of it during the pre-1950s, 78-rpm recording era.
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