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hydrogen

play
noun hy·dro·gen \ˈhī-drə-jən, -dər-\

Simple Definition of hydrogen

  • : a chemical element that has no color or smell and that is the simplest, lightest, and most common element

Full Definition of hydrogen

  1. :  a nonmetallic element that is the simplest and lightest of the elements, is normally a colorless odorless highly flammable diatomic gas, and is used especially in synthesis — see element table — compare deuterium, tritium

hy·drog·e·nous play \hī-ˈdrä-jə-nəs\ adjective

Origin of hydrogen

French hydrogène, from hydr- + -gène -gen; from the fact that water is generated by its combustion


First Known Use: 1788


Medical Dictionary

hydrogen

play
noun hy·dro·gen \ˈhī-drə-jən\

Medical Definition of hydrogen

  1. :  a nonmetallic element that is the simplest and lightest of the elements and that is normally a colorless odorless highly flammable diatomic gas—symbol H; see deuterium, tritium; element table

  2. hy·drog·e·nous \hī-ˈdräj-ə-nəs\play adjective





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