Word.ws English Dictionary

diamantine

diamantine adjective: consisting of or resembling diamond.

Adjective

diamantine (comparative more diamantine, superlative most diamantine)

  1. Consisting of or resembling diamond.
    • This was the worke of God, that hée might ſeparate the Pure from the Impure: that is to ſay, that he might reduce the more pure and Ethereal Mercury, the more pure and inextinguible Sulphur, the more pure, and more fixed ſalte, into ſhyning and inextinguible Starres and Lights, into a Chriſtalline...1605, Iosephus Quersitanus, “Moses in his Genesis sheweth the three beginnings Philosophicall which are in euery thing created”, in Thomas Timme, transl., The Practise of Chymicall, and Hermeticall...
    • […]the Mine-men having little Iron-hooks, with which they fetch out the Diamantin-oar:[…].1676 December 14, “More Observations of Monsieur Taverniers Voyages; promised in the next foregoing Tract”, in Philosophical Transactions: Giving Some Accompt of the Present Undertakings, Studies and...
  2. (obsolete) Hard as diamond, adamantine.

Examples of diamantine in a sentence

  • […]Day after day he pierced the dark abyss, / Till he had reach’d its diamantine floor.1827, James Montgomery, “The Pelican Island”, in The Pelican Island, and Other Poems, Philadelphia, Pa.: E. Littell, […], and J. Grigg...
  • […]capable to break through any protective shield of bronze or of diamantine walls:[…].1988, Luis de Góngora y Argote, translated by Miroslav John Hanak, The Fable of Polyphemus and Galatea, Peter Lang, →ISBN, page 99:
  • […]during the 19th century, this relief still bears the arms and diamantine ring which identify Piero de Medici (1416-1469) as the original owner.1991, Louvre: The Collections, →ISBN, page 334:
  • While attempting to escape through the walls of the cave, the woman died as the mine’s diamantine walls tore her flesh her to shreds and, when her blood combined with the diamonds, rubies formed.1992, Howard M. Fraser, Richard W. S. Pryke, In the Presence of Mystery: Modernist Fiction and the Occult, →ISBN, page 15:

Forms of diamantine

comparativemore diamantine
superlativemost diamantine

Origin of diamantine

From Middle French diamantin, from diamant (“diamond”) + -in (“-ine”).

Questions about diamantine

What does diamantine mean?
Diamantine means consisting of or resembling diamond.
How do you use diamantine in a sentence?
[…]Day after day he pierced the dark abyss, / Till he had reach’d its diamantine floor.
What part of speech is diamantine?
Diamantine is an adjective.

Words near diamantine in the dictionary

  1. diamante poem
  2. diamante poems
  3. diamantes
  4. diamantiferous
  5. Diamantina
  6. diamantine
  7. Diamants
  8. diamanté
  9. diamantés
  10. diamat
  11. diamb

Source and license

Adapted from Wiktionary: diamantine (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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