| hydrogen | the number of moles of hydrogen ions per cubic decimeter |
|---|---|
| hydrogen | a viscous liquid with strong oxidizing properties |
| hydrogen | a sulfide having the unpleasant smell of rotten eggs |
| hydrogen | attack with a hydrogen bomb |
| hydrogen | combine or treat with or expose to hydrogen, esp. to add hydrogen to the molecule of (an unsaturated organic compound) |
| hydrogen | combined with hydrogen |
| hydrogen | a chemical process that adds hydrogen atoms to an unsaturated oil |