-ion meaning: definition, etymology

-ion

suffix

Etymology 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.

Idiomatic, Morpheme An action or process, or the result of an action or process.

transfixion
reaction

Idiomatic, Morpheme A state or condition.

indirection
bisection

Related terms: -ation, -sis, -tion

-ion

suffix

UK /ɪən/ · US /aɪən/

Etymology 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).

Morpheme An anthropometric reference point.

dactylion

Morpheme Especially craniometric points

gnathion

Synonyms: -ale
Derived terms: omphalion, phalangion, pternion, sellion, sphyrion, stomiontrochanterion, symphysion, xiphion
Related terms: mesophryon

-ion

suffix

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

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

periareion

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.