We found 31 dictionaries that define the word phon:

General (19 matching dictionaries)

1. phon: Longman Dictionary of Contemporary English
2. phon-: Merriam-Webster
3. phon, phon: Oxford Learner's Dictionaries
4. phon, phon-: American Heritage Dictionary of the English Language
5. phon, phon, phon-: Collins English Dictionary
6. phon: Vocabulary.com
7. Phon, phon: Wordnik
8. PHON, phon, phon-: Wiktionary
9. phon, phon-: Webster's New World College Dictionary, 4th Ed.
10. phon: The Wordsmyth English Dictionary-Thesaurus
11. phon: Infoplease Dictionary
12. phon, phon, phon-: Dictionary.com
13. Phon: Wikipedia, the Free Encyclopedia
14. phon: Rhymezone
15. phon, phon-: MyWord.info
16. phon: FreeDictionary.org
17. phon: The Phrontistery - A Dictionary of Obscure Words
18. phon: Mnemonic Dictionary
19. phon, phon, phon-: TheFreeDictionary.com

Art (2 matching dictionaries)

20. Technical Glossary of Theatre Terms (No longer online)
21. phon-: A Cross Reference of Latin and Greek Elements

Business (1 matching dictionary)

22. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

23. phon: Encyclopedia

Medicine (2 matching dictionaries)

24. phon: Merriam-Webster Medical Dictionary
25. phon(o)-, phon-: Medical dictionary

Miscellaneous (1 matching dictionary)

26. AbbreviationZ (No longer online)

Science (1 matching dictionary)

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

Slang (1 matching dictionary)

28. Phon: Urban Dictionary

Tech (3 matching dictionaries)

29. PHON: NOISE CONTROL TERMS
30. Rane Professional Audio Reference (No longer online)
31. Sweetwater Music (No longer online)

(Note: See phoning as well.)

Definitions from Wiktionary (PHON) ▸ noun:  (acoustics) A unit of apparent loudness, equal in number to the intensity in decibels of a 1,000-hertz tone judged to be as loud as the sound being measured. ▸ noun:  (Australian politics) Initialism of Pauline Hanson's One Nation. Similar: loudness, sone, phonon, phot, volume, phononics, hyperphonon, magnetophonon, Planck, magnitude, more... Opposite: graph, written, nonverbal Types: monophthong, diphthong, triphthong, more... ▸ Words similar to phon ▸ Usage examples for phon ▸ Idioms related to phon ▸ Wikipedia articles (New!) ▸ Popular adjectives describing phon ▸ Words that often appear near phon ▸ Rhymes of phon ▸ Invented words related to phon