Word.ws English Dictionary

cograph

cograph noun: a graph formed from another by complementation and disjoin union.

Noun

cograph (plural cographs)

  1. A graph formed from another by complementation and disjoin union.
  2. The dual of the graph of a function. It is an ordinate-indexed partition of the disjoint union of the set of abscissas and ordinates of the function.
    • Given a function whose graph is #92;#123;(1,7),(2,5),(3,3),(4,3),(5,2),(6,4),(7,6),(8,5),(9,7),(10,6),(11,6)#92;#125;, append an apostrophe to the abscissas so that they will not be confused with ordinates when obtaining their disjoint union, which is...

Forms of cograph

pluralcographs

Origin of cograph

From co- + graph.

Words formed from cograph

Questions about cograph

What does cograph mean?
Cograph means a graph formed from another by complementation and disjoin union.
What part of speech is cograph?
Cograph is a noun.
What is the plural of cograph?
The plural of cograph is cographs.

Words near cograph in the dictionary

  1. cogovernors
  2. cogoverns
  3. Cogra Bay
  4. cograil
  5. cograils
  6. cograph
  7. cographic
  8. cographs
  9. cogredience
  10. cogrediency
  11. cogredient

Source and license

Adapted from Wiktionary: cograph (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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Cite this entry: “cograph.” Word.ws, https://word.ws/cograph. Based on Wiktionary, CC BY-SA 4.0.