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quicklime

American  
[kwik-lahym] / ˈkwɪkˌlaɪm /

noun

  1. lime.


quicklime British  
/ ˈkwɪkˌlaɪm /

noun

  1. another name for calcium oxide

"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

Etymology

Origin of quicklime

1350–1400; Middle English quyk lym, translation Latin calx vīva; see quick, lime 2

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.

But the reaction is also reversible: Add enough heat back to cement, and you can drive out the water and produce quicklime once more.

From The Wall Street Journal • Mar. 27, 2026

If that calcium comes straight from crushed limestone, it’s considered natural, but if it’s isolated from crushed stone and then treated with heat to become more concentrated quicklime, it qualifies as synthetic.

From Salon • Jan. 2, 2025

Burning vast amounts of wood to convert limestone into quicklime ravaged the forests, which led to soil erosion and water contamination.

From Los Angeles Times • Mar. 1, 2023

The chunk of concrete made with quicklime had its cracks completely healed within two weeks.

From Washington Times • Jan. 8, 2023

The tree trunks were painted with quicklime, but the ants continued to climb, sparing neither pears, oranges, nor apples.

From "The House of the Spirits: A Novel" by Isabel Allende

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