sunglass

¹

[ suhn-glas, -glahs ]

noun

1. burning glass.

sunglass

²

[ suhn-glas, -glahs ]

adjective

1. of or relating to sunglasses:

   a new concept in sunglass design.

sunglass

/ ˈsʌnˌɡlɑːs /

noun

1. a convex lens used to focus the sun's rays and thus produce heat or ignition; burning glass

Word History and Origins

Origin of sunglass¹

First recorded in 1800–10; sun + glass