Search Result：hydrogen
hydrogen 
(TTS Sound)
(TTS Sound)KK Pronunciation
〔 ˋhaIdrәdʒәn 〕
Pronunciation
〔 ˊhaidrәdʒәn 〕
Overview of noun hydrogen
The noun hydrogen has 1 sense
- hydrogen, H, atomic number 1 -- (a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas; the simplest and lightest and most abundant element in the universe)