burning lens

Fetched 2026-10-26 (cache).

Datamuse reports no synonyms or antonyms for this word.

Noun

1. A large [[convex]] [[lens]] or [[concave]] [[mirror]] that can concentrate the sun's [[ray]]s onto a small area, heating up the area and thus resulting in [[ignition]] of the exposed surface.

Source: Wiktionary · CC BY-SA 4.0 (Wiktionary dump) · cached copy, not a rewrite.