We found 9 dictionaries that define the word mass deficiency:

General (6 matching dictionaries)

1. mass deficiency: Vocabulary.com
2. mass deficiency: Dictionary.com
3. mass deficiency: Rhymezone
4. mass deficiency: FreeDictionary.org
5. mass deficiency: Mnemonic Dictionary
6. mass deficiency: TheFreeDictionary.com

Computing (1 matching dictionary)

7. mass deficiency: Encyclopedia

Medicine (1 matching dictionary)

8. mass deficiency: Medical dictionary

Science (1 matching dictionary)

9. Chemistry Dictionary (No longer online)

Definitions from WordNet (mass deficiency) ▸ noun:  the amount by which the mass of an atomic nucleus is less than the sum of the masses of its constituent particles Opposite: mass surplus, mass abundance, mass excess ▸ Words similar to mass deficiency ▸ Usage examples for mass deficiency ▸ Idioms related to mass deficiency ▸ Wikipedia articles (New!) ▸ Words that often appear near mass deficiency ▸ Rhymes of mass deficiency ▸ Invented words related to mass deficiency