-ion

See also: Appendix:Variations of "ion"

English

Etymology 1

Reanalysed from -ation, -tion, from Middle French -tion, -cion, from Latin -tiō. By surface analysis, this suffix is added to verbs derived from Latin perfect participle stems.

Pronunciation

Itself pronounced IPA^(key): /ən/, and changes the preceding consonant to /ʃ/ usually or /t͡ʃ/ or /ʒ/ in some cases.

Suffix

-ion

1. (non-productive) An action or process, or the result of an action or process.

   transfixion

   reaction

2. (non-productive) A state or condition.

   indirection

   bisection

Derived terms

English terms suffixed with -ion

Related terms

• -ation
• -sis (Greek)
• -tion

Further reading

• “-ion”, in OneLook Dictionary Search.

Etymology 2

Possibly reanalysed from inion, which is of Ancient Greek origin. In many cases also analysable as the neuter form of an Ancient Greek adjective in -ιος (-ios).

Pronunciation

• (Received Pronunciation) IPA^(key): /ɪən/
• (General American) IPA^(key): /aɪən/

Suffix

-ion

2. A anthropometric reference point.

   dactylion

   1. Especially craniometric points

      gnathion

Synonyms

• -ale

Derived terms

English terms suffixed with -ion (craniometry)

• omphalion
• phalangion
• pternion
• symphysion
• sellion
• sphyrion
• stomion
• trochanterion
• xiphion

Etymology 3

From Ancient Greek ἀπόγειον (apógeion, “apogee”), containing -ιον (-ion). Compare also -ium.

Suffix

-ion

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

   periareion

Derived terms

English terms suffixed with -ion (apsis)

Anagrams

• oni, NOI, Ino, ONI, NIO, -ino

French

Pronunciation

• IPA^(key): /jɔ̃/

Suffix

-ion f

1. -ion

Related terms

• -tion

German

Pronunciation

• Audio:

  (file)

Suffix

-ion f (genitive -ion, plural -ionen)

1. -ion

Related terms

• -tion

Middle English

Etymology 1

Suffix

-ion

1. Alternative form of -ien (“-ian”)

Etymology 2

Suffix

-ion

1. Alternative form of -ioun

Volapük

Suffix

-ion

1. This term needs a translation to English. Please help out and add a translation, then remove the text {{rfdef}}.

Welsh

Pronunciation

• IPA^(key): /jɔn/

Etymology 1

From Proto-Brythonic *-onos, *-onā. Cognate to Cornish -yon, Breton -ien.

Alternative forms

• -on

Suffix

-ion

1. Pluralisation suffix

   Synonyms: -aid, -aint, -au, -ed, -edd, -en, -i, -iadau, -iaid, -iau, -od, -oedd, -on, -ydd, -yr, -ys

   ‎seiciatrydd (“psychiatrist”) + ‎-ion → ‎seiciatryddion (“psychiatrists”)

   ‎cymydog (“neighbour”) + ‎-ion → ‎cymdogion (“neighbours”)

   ‎mab (“son”) + ‎-ion → ‎meibion (“sons”)

Usage notes

• Causes i-affection of internal vowels, for example, ‎mab (“son”) + ‎-ion → ‎meibion (“sons”).

Etymology 2

Alternative forms

• -on

Suffix

-ion

1. Noun suffix

   ‎tir (“land”) + ‎-ion → ‎tirion (“territory, plain, grassland”)

Usage notes

• Occurs in place names such as Tirion Mawr and Tirion Bach in Ceredigion and Tirion Pelyn in Caernarfonshire.

Derived terms

Welsh terms suffixed with -ion