solar furnace

noun

1. a furnace using sunlight concentrated by concave mirrors as the direct source of heat.

solar furnace

noun

1. a furnace utilizing the sun as a heat source, sunlight being concentrated at the focus of a system of concave mirrors

Example Sentences

If submitted to the heat of this appalling solar furnace, an iron poker, for instance, would vanish into invisible vapor.

From Project Gutenberg

The solar furnace was a rough parabola of mirrors used to focus the sun's heat on anything that it was desirable to heat.

From Project Gutenberg

Out of this solar furnace drifted a fleet of canoes black as charred logs against the cardinal blaze.

From Project Gutenberg

He used the solar furnace that had made the silicone wool to smelt it.

From Project Gutenberg