Definition of "turquoise" []

  • A blue to blue-green mineral of aluminum and copper, mainly CuAl6(PO4)4(OH)8·4H2O, prized as a gemstone in its polished blue form. (noun)
  • A light to brilliant bluish green. (noun)
  • A greenish-blue fine-grained secondary mineral consisting of hydrated copper aluminium phosphate. It occurs in igneous rocks rich in aluminium and is used as a gemstone. Formula: CuAl6(PO4)4(OH)8.4H2O (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

  • The colour of turquoise (noun)
  • (as adjective) (noun) (c) HarperCollins Publishers Ltd 2016

Use "turquoise" in a sentence
  • "GSI pointed out that turquoise is the color of the throat, the voice, communication."
  • "We also found a second fabulous pair — edgier in turquoise and black — that we instantly dubbed my Berlin glasses."
  • "Since aqua/turquoise is one of my favorite color types, I think my vote would be on "before"."