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solar furnace

American  

noun

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

solar furnace British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Beaming from an almost cloudless afternoon sky , our solar furnace showed the welcome warmth still available from its direct rays in mid-October.

From Washington Post • Oct. 14, 2022

Waste water is purified in a solar furnace and then piped back to the farm.

From Slate • Jun. 21, 2012

Zwicky would also produce carbon dioxide by focusing the rays of a solar furnace on rocks containing calcium carbonate.

From Time Magazine Archive

Is there a basic flaw in the current theory about the fusion process that powers the solar furnace?

From Time Magazine Archive

The power crew was having trouble with the solar furnace.

From All Day September by Dongen, H. R. van

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.