How does the word sound?
In this sense, "ex" is a word added to another word to make a new word.
A prefix added to the start of a word. Indicates that "out" or "going out from" modifies the word. Created to expand meanings. Can be used with many words to form new words.
Examples of how the word is used
|The lungs expel water vapor and carbon dioxide.|
|A light bulb no longer emits light when the filament is finally "burned up!|