: an oven, furnace, or heated enclosure used for processing a substance by burning, firing, or drying
kiln transitive verb

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The word kiln was kindled in Old English as a bundle of c-y-l-n. Unlike many words that descend from Old English, however, kiln is not ultimately Germanic in origin but was borrowed from Latin culina, meaning "kitchen," an ancestor of the English word culinary, which has been a menu option in English since the 17th century. An ingredient in culina is coquere, meaning "to cook" in Latin.

Examples of kiln in a Sentence

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Stoneware objects are made with clay that is less porous and that is fired in the kiln at a higher temperature. Katie Akin, Southern Living, 9 Mar. 2025 If clay isn’t totally dry before firing, the pieces will crack or explode in the kiln. The Learning Network, New York Times, 19 Feb. 2025 Poitras is still a piece of clay, yet to be fully fired in the NHL kiln. Fluto Shinzawa, The Athletic, 2 Feb. 2025 My destination was the kiln of the Mojave Desert and, sequestered within that immensity of thirst, a line on the thermometer: 120 degrees Fahrenheit. Outside Online, 23 Oct. 2024 See All Example Sentences for kiln

Word History

Etymology

Middle English kilne, from Old English cyln, from Latin culina kitchen, from coquere to cook — more at cook

First Known Use

before the 12th century, in the meaning defined above

Time Traveler
The first known use of kiln was before the 12th century

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Cite this Entry

“Kiln.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/kiln. Accessed 23 Mar. 2025.

Kids Definition

kiln

noun
: an oven or furnace for hardening, burning, or drying something
brick kilns
kiln verb

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