We found 33 dictionaries that define the word spacing:

General (20 matching dictionaries)

1. spacing: Longman Dictionary of Contemporary English
2. spacing: Merriam-Webster
3. spacing: American Heritage Dictionary of the English Language
4. spacing: Collins English Dictionary
5. spacing: Vocabulary.com
6. Spacing, spacing: Wordnik
7. spacing: Cambridge Advanced Learner's Dictionary
8. spacing: Wiktionary
9. spacing: Webster's New World College Dictionary, 4th Ed.
10. spacing: The Wordsmyth English Dictionary-Thesaurus
11. spacing: Infoplease Dictionary
12. spacing: Dictionary.com
13. spacing: Cambridge Essential American English Dictionary
14. Spacing (magazine), Spacing: Wikipedia, the Free Encyclopedia
15. spacing: Rhymezone
16. spacing: FreeDictionary.org
17. spacing: Mnemonic Dictionary
18. spacing: TheFreeDictionary.com

Art (1 matching dictionary)

19. ODLIS: Online Dictionary of Library and Information Science (No longer online)

Business (1 matching dictionary)

20. spacing: Legal dictionary

Computing (1 matching dictionary)

21. spacing: Encyclopedia

Medicine (2 matching dictionaries)

22. Dorland's Illustrated Medical Dictionary (No longer online)
23. spacing: Medical dictionary

Miscellaneous (1 matching dictionary)

24. spacing: Idioms

Science (1 matching dictionary)

25. Botanical Terms (No longer online)

Slang (1 matching dictionary)

26. spacing: Urban Dictionary

Sports (2 matching dictionaries)

27. Hickok Sports Glossaries (No longer online)
28. Spacing (Cassette), Spacing (Frame/hub): Bicycle Glossary

Tech (3 matching dictionaries)

29. AUTOMOTIVE TERMS (No longer online)
30. Spacing: Construction Glossary
31. Schlumberger Oilfield Glossary (No longer online)

(Note: See space as well.)

Definitions from Wiktionary ( ) ▸ noun:  The action of the verb space. ▸ noun:  A way in which objects or people are separated by spaces. ▸ noun:  The space between two objects or people. ▸ noun:  (science fiction) The activity of working or living in outer space; the occupation of a spacer. ▸ adjective:  That inserts space between two objects. Similar: spatial arrangement, linespace, linespacing, blank, figure space, letterspace, word space, letter-spacing, hard space, letterspacing, more... Opposite: crowding, clustering, compacting, compressing, condensing Phrases: line spacing, double spacing, Channel spacing, Word spacing, Letter spacing, more... Adjectives: close, double, average, wide, proper, vertical, maximum, minimum, equal, regular, uniform Colors:     white,     black,     gray,     silver,     teal, more... ▸ Words similar to spacing ▸ Usage examples for spacing ▸ Idioms related to spacing ▸ Wikipedia articles (New!) ▸ Popular adjectives describing spacing ▸ Popular nouns described by spacing ▸ Words that often appear near spacing ▸ Rhymes of spacing ▸ Invented words related to spacing