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calcify

American  
[kal-suh-fahy] / ˈkæl səˌfaɪ /

verb (used with or without object)

calcified, calcifying
  1. Physiology. to make or become calcareous or bony; harden by the deposit of calcium salts.

  2. Geology. to harden by deposition of calcium carbonate.

  3. to make or become rigid or intransigent, as in a political position.


calcify British  
/ ˈkælsɪˌfaɪ /

verb

  1. to convert or be converted into lime

  2. to harden or become hardened by impregnation with calcium salts

"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

Other Word Forms

Etymology

Origin of calcify

First recorded in 1830–40; calci- + -fy

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.

It’s McKellen reveling in a great role: charmingly funny but also bittersweet in the film’s examination of how fading fame can calcify one’s soul.

From Los Angeles Times • Apr. 8, 2026

But he said their stance "began to calcify into a sort of defensiveness".

From BBC • Mar. 16, 2026

It’s to watch it harden and calcify in real time.

From Slate • May 21, 2025

Unlike medaka, the zebrafish form a transient scar that doesn't calcify into rigid tissue.

From Science Daily • Apr. 18, 2024

With each month of silence that passed between them, she felt the silence itself calcify, and become a hard and hulking statue, impossible to defeat.

From "Americanah" by Chimamanda Ngozi Adichie

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