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Definition of "imaginary" []

  • Having existence only in the imagination; unreal. (adjective)
  • Mathematics Of or being the coefficient of the imaginary unit in a complex number. (adjective)
  • Mathematics Of, involving, or being an imaginary number. (adjective)
  • Mathematics Involving only a complex number of which the real part is zero. (adjective)
  • Mathematics An imaginary number. (noun)
  • Existing in the imagination; unreal; illusory (adjective)

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.

  • Involving or containing imaginary numbers. The imaginary part of a complex number, z, is usually written Imz (adjective)

www.Collinsdictionary.com (c) HarperCollins Publishers Ltd 2016

Use "imaginary" in a sentence
  • "Because Larry’s Fundy brain is so locked by his literalism he simply thinks “imaginary numbers” are *actually imaginary* ,that is to say not real, they do not exist."
  • "In fact, psychologists use the term "imaginary audience" to describe this heightened state of vigilance that is especially strong during adolescence."
  • "But on the other hand, as this warmth is felt differently by different temperaments, so what we call imaginary things affect different minds."