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Definition of: hydrogen

(hidrə·jən) noun
The lightest of the elements (symbol H) occurring chiefly in combination with oxygen as water, and in hydrocarbons and other organic compounds. When isolated it is usually a colorless, odorless, tasteless, inflammable gas, lighter than air and liquefying under great pressure and low temperature.
—heavy hydrogen
See DEUTERIUM.
[<F hydrogène <Gk. hydōr water + gen-, stem of gignesthai be born; so called with ref. to the water formed by its combustion]
—hy·drog·e·nous
(hī·drojə·nəs) adjective

Most often used phrases:

hydrogen atoms
hydrogen atom
hydrogen gas
hydrogen bonds
hydrogen bonding
liquid hydrogen
hydrogen bond
hydrogen chloride
hydrogen fluoride
hydrogen fuel cell
hydrogen production
hydrogen fuel
hydrogen economy
hydrogen storage
molecular hydrogen

'hydrogen' used in domains:

hydrogenasia.com
hydrogentoys.com
hydrogenfuelcellpro.com
hydrogenalley.com
cyber-hydrogen-society.com
okhydrogen.com

Statistical data

"hydrogen" has the frequency of use of 0.0004% on city-data.com forum

"hydrogen" has the frequency of use of 0.0013% on en.wikipedia.org.

Phrases starting with the letter: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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