diamond

[ dahy-muh nd, dahy-uh- ]
/ ˈdaɪ mənd, ˈdaɪ ə- /

noun

adjective

verb (used with object)

to adorn with or as if with diamonds.

Nearby words

  1. diametrical,
  2. diametrically,
  3. diamide,
  4. diamine,
  5. diammonium phosphate,
  6. diamond anniversary,
  7. diamond bar,
  8. diamond bird,
  9. diamond drill,
  10. diamond dust

Idioms

    diamond in the rough, a person of fine character but lacking refined manners or graces.

Origin of diamond

1275–1325; Middle English diamant < Old French < Vulgar Latin *diamant-, stem of *diamas, perhaps alteration of *adimas (> French aimant magnet, Old Provençal aziman diamond, magnet), for Latin adamas adamant, diamond

Related formsdia·mond·like, adjective

Diamond

[ dahy-muh nd, dahy-uh- ]
/ ˈdaɪ mənd, ˈdaɪ ə- /

noun

Neil,born 1941, U.S. singer and songwriter.
Cape, a hill in Canada, in S Quebec, on the St. Lawrence River.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for diamond


British Dictionary definitions for diamond

diamond

/ (ˈdaɪəmənd) /

noun

verb

(tr) to decorate with or as with diamonds
Derived Formsdiamond-like, adjective

Word Origin for diamond

C13: from Old French diamant, from Medieval Latin diamas, modification of Latin adamas the hardest iron or steel, diamond; see adamant

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

Word Origin and History for diamond

diamond

n.

early 14c., from Old French diamant, from Medieval Latin diamantem (nominative diamas), from Vulgar Latin *adiamantem (altered by influence of the many Greek words in dia-), from Latin adamantem (nominative adamans) "the hardest metal," later, "diamond" (see adamant). Playing card suit is from 1590s; Sense in baseball is American English, 1875.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for diamond

diamond

[ dīə-mənd ]

A form of pure carbon that occurs naturally as a clear, cubic crystal and is the hardest of all known minerals. It often occurs as octahedrons with rounded edges and curved surfaces. Diamond forms under conditions of extreme temperature and pressure and is most commonly found in volcanic breccias and in alluvial deposits. Poorly formed diamonds are used in abrasives and in industrial cutting tools.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.