We found 33 dictionaries that define the word semitone:

General (24 matching dictionaries)

1. semitone: Longman Dictionary of Contemporary English
2. semitone: Merriam-Webster
3. semitone: Oxford Learner's Dictionaries
4. semitone: American Heritage Dictionary of the English Language
5. semitone: Collins English Dictionary
6. semitone: Vocabulary.com
7. semitone: Wordnik
8. semitone: Cambridge Advanced Learner's Dictionary
9. semitone: Wiktionary
10. semitone: Webster's New World College Dictionary, 4th Ed.
11. semitone: The Wordsmyth English Dictionary-Thesaurus
12. semitone: Infoplease Dictionary
13. semitone: Dictionary.com
14. Semitone: Wikipedia, the Free Encyclopedia
15. Semitone: Online Plain Text English Dictionary
16. semitone: Webster's Revised Unabridged, 1913 Edition
17. semitone: Rhymezone
18. semitone: AllWords.com Multi-Lingual Dictionary
19. semitone: Webster's 1828 Dictionary
20. semitone: FreeDictionary.org
21. semitone: Mnemonic Dictionary
22. semitone: TheFreeDictionary.com

Art (3 matching dictionaries)

23. Essentials of Music (No longer online)
24. Virginia Tech Multimedia Music Dictionary (No longer online)
25. Semitone: Lexicon of Linguistics

Computing (1 matching dictionary)

26. semitone: Encyclopedia

Science (1 matching dictionary)

27. How Many? A Dictionary of Units of Measurement (No longer online)

Slang (2 matching dictionaries)

28. semitone: The Folk File
29. semitone: Urban Dictionary

Tech (2 matching dictionaries)

30. Rane Professional Audio Reference (No longer online)
31. Sweetwater Music (No longer online)

(Note: See semitones as well.)

Definitions from Wiktionary ( ) ▸ noun:  (music) A musical interval equal to an augmented unison or a minor second, depending on the context and tuning system used ▸ noun:  (music) Any of the pitches of the chromatic scale Similar: half step, halftone, half tone, subsemitone, quarter tone, half-tone, hemitone, demitone, diminished second, semidiapason, more... Opposite: whole tone, full tone, major second Phrases: chromatic semitone, diatonic semitone, more... Adjectives: chromatic, diatonic, major, minor, small, tempered, greater, equal, lesser, second, mean ▸ Words similar to semitone ▸ Usage examples for semitone ▸ Idioms related to semitone ▸ Wikipedia articles (New!) ▸ Popular adjectives describing semitone ▸ Words that often appear near semitone ▸ Rhymes of semitone ▸ Invented words related to semitone