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exo-

prefix — 2 senses

exo-

prefix

US /ɛksoʊ-/ · UK /ɛksəʊ-/

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

1

Morpheme outside; external

2

Astronomy, Natural sciences Morpheme extrasolar; beyond the Solar System (our solar system)

  • exo- + planet → exoplanet
  • exo- + biology → exobiology
Synonyms
out-, ex-, ecto-
Antonyms
in-, intra-, en-, em-, im-, end-, endo-, ento-
Derived terms
exosemantic
Related terms
ecto-, end-, endo-, ex-, extra-

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