We found 5 dictionaries that define the word hydrogen-1:

General (3 matching dictionaries)

1. hydrogen-1: Dictionary.com
2. Hydrogen-1: Wikipedia, the Free Encyclopedia
3. hydrogen-1: Wiktionary

Medicine (2 matching dictionaries)

4. online medical dictionary (No longer online)
5. hydrogen-1: Medical dictionary

Definitions from Wiktionary (hydrogen-1) ▸ noun:  Synonym of protium (“most common isotope of hydrogen”). ▸ Words similar to hydrogen-1 ▸ Usage examples for hydrogen-1 ▸ Idioms related to hydrogen-1 ▸ Wikipedia articles (New!) ▸ Popular adjectives describing hydrogen-1 ▸ Words that often appear near hydrogen-1 ▸ Rhymes of hydrogen-1 ▸ Invented words related to hydrogen-1