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

  • verb Simple past tense and past participle of achromatise.


Sorry, no etymologies found.


  • Iceland spar, which has been achromatised -- that is, clear, devoid of colour -- and is therefore capable of transmitting light without showing any prismatic effect, or allowing the least trace of any except the clear light-beam to pass through.

    The Chemistry, Properties and Tests of Precious Stones


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