Word.ws English Dictionary

fifth forces

fifth forces is the plural of fifth force.

Meaning of fifth force

Noun

fifth force (plural fifth forces)

  1. A hypothetical fundamental force, distinct from gravity, electromagnetism, and the strong force and weak force, proposed to explain various anomalous observations that do not fit existing theories.
    • According to Ephraim Fischbach's 1986 theory, the more tightly packed these particles are, the more strongly the atom feels the repulsive effect of the fifth force.1989 May, John Boslough, “Searching for the Secrets of Gravity”, in National Geographic, volume 175, number 5, page 569

Questions about fifth forces

What is fifth forces the plural of?
Fifth forces is the plural of fifth force.

Words near fifth forces in the dictionary

  1. fifth day fits
  2. fifth disease
  3. Fifth Empire
  4. fifth estate
  5. fifth force
  6. fifth forces
  7. fifth freedom rights
  8. fifth gear
  9. fifth gears
  10. fifth grade
  11. fifth grader

Source and license

Adapted from Wiktionary: fifth forces (page history and authors); fifth force (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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