We found 13 dictionaries that define the word muscle contraction:

General (7 matching dictionaries)

1. muscle contraction: Vocabulary.com
2. muscle contraction: Dictionary.com
3. Muscle contraction: Wikipedia, the Free Encyclopedia
4. muscle contraction: Rhymezone
5. muscle contraction: FreeDictionary.org
6. muscle contraction: Mnemonic Dictionary
7. muscle contraction: TheFreeDictionary.com

Business (2 matching dictionaries)

8. muscle contraction, Muscle contraction: Legal dictionary

Computing (1 matching dictionary)

9. muscle contraction: Encyclopedia

Medicine (3 matching dictionaries)

10. Medical Dictionary (No longer online)
11. online medical dictionary (No longer online)
12. muscle contraction: Medical dictionary

(Note: See muscle_contractions as well.)

Definitions from Wikipedia (Muscle contraction) ▸ noun:  the activation of tension-generating sites within muscle cells. Opposite: muscle relaxation, muscle expansion, muscle dilation Phrases: concentric muscle contraction, eccentric muscle contraction, isometric muscle contraction, isotonic muscle contraction, muscle contraction headache, more... ▸ Words similar to muscle contraction ▸ Usage examples for muscle contraction ▸ Idioms related to muscle contraction ▸ Wikipedia articles (New!) ▸ Words that often appear near muscle contraction ▸ Rhymes of muscle contraction ▸ Invented words related to muscle contraction