LEAD GLASS

I. (noun)

Meaning:

Glass containing lead oxide; has a high refractive index

Classified under:

Nouns denoting substances

Hypernyms ("lead glass" is a kind of...):

glass (a brittle transparent solid with irregular atomic structure)

Hyponyms (each of the following is a kind of "lead glass"):

paste (a hard, brilliant lead glass that is used in making artificial jewelry)