lead glass

IPA/lˈiːd ɡlˈas/
IPA/lˈiːd ɡlˈæs/

lead glass — noun

1. a heavy, very clear type of glass made with lead oxide instead of the usual calc

1.名詞B2
釋義

a heavy, very clear type of glass made with lead oxide instead of the usual calcium, valued for its bright, sparkling look and used for high-quality drinking glasses, vases, decorative bowls, and radiation-proof windows in hospitals

例句

The Watanabe family bought a set of lead glass wine glasses for their anniversary dinner.

collocation: lead glass + wine glasses / bowl / vase

Lead glass is heavier than ordinary glass because it contains lead oxide.

comparative structure: heavier than ordinary glass

同義詞
  • lead crystal

    a more specific term requiring at least 24 % lead oxide, often trademarked

  • flint glass

    an older term for lead-containing glass, mainly used in historical contexts or optics

反義詞
  • soda-lime glass

    the common, lighter type of glass used for everyday bottles and windows

文法句型

lead glass + noun (e.g. lead glass bowl)

用法筆記

This term is distinct from 'lead crystal', which is a trademarked standard requiring at least 24 % lead oxide. 'Lead glass' includes any glass that contains lead oxide as a main ingredient.

常見錯誤

Lead glass is the same as ordinary window glass.
Lead glass contains lead oxide, which makes it heavier and clearer than ordinary glass.
💡The two types of glass have different ingredients and properties.