from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • adjective mineralogy Not having undergone twinning.


Sorry, no etymologies found.


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  • Twinned crystals, though not of infrequent occurrence, are, however, far less common than simple (untwinned) crystals.

    Encyclopaedia Britannica, 11th Edition, Volume 4, Part 4 "Bulgaria" to "Calgary" Various

  • Cursed be the cruelty that would persuade itself that one soul may be like another, -- that one affection may be replaced by another, -- that individual goodness is not a thing apart, original, untwinned on earth, but only the general characteristic of a class or type, to be sought and found and utilized at will! ...

    Two Years in the French West Indies Lafcadio Hearn 1877


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