What is another word for exo-?
Pronunciation: [ɛɡzˈə͡ʊ] (IPA) 
Exo- is a prefix that is commonly used to denote something that is external or outside of a particular context. There are a number of different synonyms for exo-, such as external, outer, beyond, and extra. These terms are often used to describe objects, organisms, or concepts that exist outside of a particular system or framework. For example, exoplanets are planets that orbit stars outside of our Solar System; exoskeletons are external skeletal structures found in some invertebrates. By using these synonyms for exo-, we can better understand the different ways in which external entities can interact with the world around them.
