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diamantine

British  
/ ˌdaɪəˈmæntaɪn /

adjective

  1. of or resembling diamonds

"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 diamantine

C17: from French diamantin, from diamant diamond

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.

Undergirding all the rhetorical exuberance is a diamantine core of accuracy.

From Scientific American

In a film of diamantine intensity, the Bookkeeper scene is the crown jewel — a taut, emotionally gripping two-hander with Alexander and Hoffman that is all the more explosive for being played at a whisper.

From Washington Post

Still, as strung together by Sondheim’s diamantine songs, “Company” offered a groundbreaking way of looking at its subject, less through a microscope than a kaleidoscope.

From New York Times

In the aftermath of the announcement—in the light of a new day—that diamantine speck suddenly looked quite different.

From Scientific American

In the aftermath of NASA’s announcement—in the light of a new day—that diamantine speck suddenly looked quite different.

From Scientific American