We found 11 dictionaries that define the word newton's third law of motion:

General (8 matching dictionaries)

1. Newton's third law of motion: Merriam-Webster
2. Newton's third law of motion: Vocabulary.com
3. newton's third law of motion: Dictionary.com
4. Newton's Third Law of Motion, Newton's third law of motion, Newtons third law of motion: Wikipedia, the Free Encyclopedia
5. Newton's third law of motion: Rhymezone
6. newtons third law of motion: FreeDictionary.org
7. newton's third law of motion: Mnemonic Dictionary
8. Newton's third law of motion: TheFreeDictionary.com

Computing (1 matching dictionary)

9. Newton's third law of motion: Encyclopedia

Science (2 matching dictionaries)

10. Misunderstood Physics Terms (No longer online)
11. Newtons third law of motion: Physic and Astronomy Glossary

Definitions from WordNet (Newton's third law of motion) ▸ noun:  action and reaction are equal and opposite ▸ Words similar to newton's third law of motion ▸ Usage examples for newton's third law of motion ▸ Idioms related to newton's third law of motion ▸ Wikipedia articles (New!) ▸ Words that often appear near newton's third law of motion ▸ Rhymes of newton's third law of motion ▸ Invented words related to newton's third law of motion