from The American Heritage® Dictionary of the English Language, 5th Edition.

  • adjective Corresponding; congruous.
  • adjective Coinciding exactly when superimposed.
  • adjective Of or relating to two numbers that have the same remainder when divided by a third number. For example, 11 and 26 are congruent when the modulus is 5.

from The Century Dictionary.

  • In geometry, identical in shape and size.
  • Harmoniously joined or related; agreeing; corresponding; appropriate.
  • In mathematics, in the relation of congruence: thus, one number is said to be congruent to another relatively to a third, called the modulus, when the first two numbers on being divided by the modulus give the same remainder.
  • In logic, predicable of the same subject, as terms, or true of the same state of things, as propositions.
  • Tn grammar, accordant; agreeing.

from the GNU version of the Collaborative International Dictionary of English.

  • adjective Possessing congruity; suitable; agreeing; corresponding.
  • adjective (Geom.) concurring figures.

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

  • adjective Corresponding in character.
  • adjective harmonious
  • adjective mathematics Having a difference divisible by a modulus.
  • adjective mathematics Coinciding exactly when superimposed.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • adjective coinciding when superimposed
  • adjective corresponding in character or kind


from The American Heritage® Dictionary of the English Language, 4th Edition

[Middle English, from Latin congruēns, congruent-, present participle of congruere, to agree.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Middle English, from Latin congruēns, present active participle of congruō ("meet together, agree").


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