Definition from Wiktionary, the free dictionary
adfix (plural adfixes)
- A type of affix, which is attached to the outside of a stem (an existing word), to form a new word. The adfix category branches into prefixes (ones which appear before the stem) and suffixes (ones which appear after the stem).
Unlike infixes, adfixes are common in English.
- disassemble : dis is a prefix representing the reversal of a process
- loudly, quickly : ly is a suffix which is used to form an adverb from an adjective