Word.ws English Dictionary

-ions

-ions is the plural of -ion.

Meaning of -ion

Suffix (1)

-ion (noun-forming suffix, countable and uncountable, plural -ions)

  1. (idiomatic) An action or process, or the result of an action or process.
    • transfixion
  2. (idiomatic) A state or condition.
    • indirection

Suffix (2)

-ion (noun-forming suffix, plural -ions or -ia)

  1. An anthropometric reference point.
    • dactylion
    1. Especially craniometric points
      • gnathion

Suffix (3)

-ion (noun-forming suffix, plural -ions or -ia)

  1. Together with apo- and peri-, forms names of specific apoapsides and periapsides.
    • periareion

Questions about -ions

What is -ions the plural of?
-ions is the plural of -ion.

Words near -ions in the dictionary

  1. -ino
  2. -ins
  3. -iod-
  4. -ioid
  5. -ion
  6. -ions
  7. -ior
  8. -iot
  9. -iour
  10. -ious
  11. -irudin

Source and license

Adapted from Wiktionary: -ions (page history and authors); -ion (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.

Last updated:

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