We found 13 dictionaries that define the word null space:

General (9 matching dictionaries)

1. null-space: Merriam-Webster
2. null space: Vocabulary.com
3. null-space: Infoplease Dictionary
4. null-space, null space: Dictionary.com
5. Null Space, Null space: Wikipedia, the Free Encyclopedia
6. null space: Rhymezone
7. null space: FreeDictionary.org
8. null space: Mnemonic Dictionary
9. null space: TheFreeDictionary.com

Computing (1 matching dictionary)

10. null space: Encyclopedia

Science (3 matching dictionaries)

11. Null Space: Eric Weisstein's World of Mathematics
12. Mathematical Programming (No longer online)
13. null-space: PlanetMath Encyclopedia

Definitions from WordNet (null space) ▸ noun:  a space that contains no points; and empty space ▸ Words similar to null space ▸ Usage examples for null space ▸ Idioms related to null space ▸ Wikipedia articles (New!) ▸ Words that often appear near null space ▸ Rhymes of null space ▸ Invented words related to null space