exo-

1. a combining form meaning “outside,” “outer,” “external,” used in the formation of compound words:

   exocentric.

exo

¹

/ ˈɛksəʊ /

adjective

1. See excellent
   an informal word for excellent

exo-

²

combining_form

1. external, outside, or beyond

   exobiology

   exothermal

exo–

1. A prefix that means “outside” or “external,” as in exoskeleton.

Word History and Origins

Origin of exo-¹

< Greek, combining form of éxō outside

Word History and Origins

Origin of exo-¹

from Greek exō outside

Example Sentences

“I started Exo with the mission to normalize consumption of bugs” says Gabi Lewis, co-founder of Exo Protein.

From The Daily Beast

Nearly two years later, Exo Protein has sold hundreds of thousands of bars.

From The Daily Beast

In either instance the hardened integument constitutes what is known as the exo-skeleton.

From Project Gutenberg

She ran off to her typewriter, and in twelve minutes came back with the jingle, I'm glad I'm not an Exo.

From Project Gutenberg