Meaning ofprefixin English

Noun

1. a morpheme added to a word's start; modifies meaning
2. a letter or syllable preceding a word; alters its sense
3. a title added to a person's name (e.g. Mr., Dr.)
   The prefix "Dr." indicates a person with a doctoral degree.
4. something placed before another thing
   A prefix can be a syllable or a letter placed before a word.