Word.ws English Dictionary

cross-ratios

cross-ratios is the plural of cross-ratio.

Meaning of cross-ratio

Noun

cross-ratio (plural cross-ratios)

  1. A special number associated with an ordered quadruple of collinear points, particularly points on a projective line, and preserved by the fractional linear transformations.
    Synonyms:
    anharmonic ratio, double ratio

Questions about cross-ratios

What is cross-ratios the plural of?
Cross-ratios is the plural of cross-ratio.

Words near cross-ratios in the dictionary

  1. cross-questioning
  2. cross-questionings
  3. cross-questions
  4. cross-race effect
  5. cross-ratio
  6. cross-ratios
  7. cross-reaction
  8. cross-reactions
  9. cross-reactive
  10. cross-reactivities
  11. cross-reactivity

Source and license

Adapted from Wiktionary: cross-ratios (page history and authors); cross-ratio (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: “cross-ratios.” Word.ws, https://word.ws/cross-ratios. Based on Wiktionary, CC BY-SA 4.0.