We found 9 dictionaries that define the word population inversion:

General (5 matching dictionaries)

1. population inversion: Wiktionary
2. population inversion: Infoplease Dictionary
3. population inversion: Dictionary.com
4. Population inversion: Wikipedia, the Free Encyclopedia
5. population inversion: TheFreeDictionary.com

Business (1 matching dictionary)

6. Population inversion: Legal dictionary

Computing (1 matching dictionary)

7. population inversion: Encyclopedia

Medicine (1 matching dictionary)

8. Population inversion: Medical dictionary

Science (1 matching dictionary)

9. Population Inversion: Extragalactic Astronomy

Definitions from Wiktionary (population inversion) ▸ noun:  (physics) The creation of a system in which more atoms or molecules are in an excited state than in a ground state. Similar: excited state, isentrope, excitation, intercombination, upconversion, island of inversion, einselection, metastable isomer, pinning, hyperinnovation, more... Opposite: population decrease Types: stimulated emission, optical pumping, electrical pumping, photoexcitation, thermal excitation, more... ▸ Words similar to population inversion ▸ Usage examples for population inversion ▸ Idioms related to population inversion ▸ Wikipedia articles (New!) ▸ Words that often appear near population inversion ▸ Rhymes of population inversion ▸ Invented words related to population inversion