单词	shellac
释义	shellacshel‧lac /ʃəˈlæk/ noun [uncountable] Word Origin WORD ORIGINshellac Origin: 1600-1700 shell + lac ‘hard substance produced by an insect’ (15-21 centuries) (from Portuguese laca; ➔ LACQUER1), translating French laque en écailles ‘lac in thin flakes’ Examples EXAMPLES FROM THE CORPUS Conventional shellac records were very brittle; only a few ounces of shear stress would crack them in half. None of these unbreakable records succeeded in displacing shellac. Now I have used transparent shellac for many jobs in the past. So we went for a shellac finish. This is particularly so with Sennelier ink, which has a binder of acrylic, resins and shellac which dries hard. Water stains on a ceiling, without deterioration, can be sealed with shellac and the ceiling repainted. What was needed here was a transparent finish, and it is possible to achieve that with clear shellac. With the shellac the colour was all there and more. a type of transparent paint for protecting or hardening surfaces
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