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noun. ['ˈhaɪdrədʒən'] 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.
- atomic number 1
- chemical element
- leaded gasoline
- unleaded gasoline
- soft water
- hydrogène (French)
- -gène (French)
Rhymes with Hydrogen
Sentences with hydrogen
1. Noun, singular or mass
Dip a clean cloth or towel into the bowl of hydrogen peroxide.
2. Verb, non-3rd person singular present
The movement of electrons galvanizes hydrogen ions across the membrane of the mitochondrion.
Quotes about hydrogen
1. The two most common elements in the universe are Hydrogen and stupidity.
- Harlan Ellison
2. In France, a chemist named Pilatre de Rozier tested the flammability of hydrogen by gulping a mouthful and blowing across an open flame, proving at a stroke that hydrogen is indeed explosively combustible and that eyebrows are not necessarily a permanent feature of one's face.
- Bill Bryson, A Short History of Nearly Everything
3. A hydrogen atom in a cell at the end of my nose was once part of an elephant's trunk. A carbon atom in my cardiac muscle was once in the tail of a dinosaur.
- Jostein Gaarder, Sophie's World
verb. attack with a hydrogen bomb.
- smart bomb