exo-

See also: exo

English

Etymology

From Ancient Greek ἔξω (éxō, “outer; external”).

Pronunciation

• (General American) IPA^(key): /ɛksoʊ-/

Prefix

exo-

1. outside; external
   1. (astronomy) extrasolar; beyond the Solar System (our solar system)

      ‎exo- + ‎planet → ‎exoplanet

      ‎exo- + ‎biology → ‎exobiology

Synonyms

• (outside): out-, ex-, ecto-

Antonyms

• (antonym(s) of “outside”): in-, intra-, en-/em-/im-, end-/endo-/ento-

Derived terms

English terms prefixed with exo-

• exosemantic

Related terms

• ecto-
• end- / endo-
• ex-
• extra-

Translations

Translations

• Georgian: ეგზო- (egzo-)
• Indonesian: ekso-
• Polish: egzo-
• Portuguese: exo- (pt)
• Russian: экзо- (ru) (ekzo-)

Catalan

Etymology

Borrowed from Ancient Greek ἔξω (éxō, “outer; external”).

Prefix

exo-

1. exo-

   Antonym: endo-

Derived terms

• Catalan terms prefixed with exo-

Related terms

• meso-

Czech

Etymology

Derived from Ancient Greek ἔξω (éxō, “outer, external”).

Pronunciation

• IPA^(key): [ɛɡzo ]

Prefix

exo-

1. exo-

   Antonym: endo-

Derived terms

Czech terms prefixed with exo-

Further reading

• “exo-”, in Slovník spisovného jazyka českého (in Czech), 1960–1971, 1989
• exo- in Slovník afixů užívaných v češtině, 2017

French

Etymology

From Ancient Greek ἔξω (éxō, “outer; external”).

Prefix

exo-

1. exo-

   Antonym: endo-

Derived terms

• French terms prefixed with exo-

German

Etymology

From Ancient Greek ἔξω (éxō, “outer; external”).

Pronunciation

• Audio:

  (file)

Prefix

exo-

1. exo-

   Antonym: endo-

Derived terms

• German terms prefixed with exo-

Portuguese

Etymology

Borrowed from Ancient Greek ἔξω (éxō, “outer; external”).

Pronunciation

• (Brazil) IPA^(key): /ˌe.zo/, /ˌɛ.zo/

• (Portugal) IPA^(key): /ˌe.zɔ/

Prefix

exo-

1. exo-

   Antonym: endo-

Derived terms

• Portuguese terms prefixed with exo-

Spanish

Prefix

exo-

1. exo-

Derived terms

Spanish terms prefixed with exo-

Further reading

• “exo-”, in Diccionario de la lengua española [Dictionary of the Spanish Language] (in Spanish), online version 23.8, Royal Spanish Academy [Spanish: Real Academia Española], 2024 December 10