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Meaning of hydrogen in English

Table of contents
  1. Pronunciation
  2. Noun
    1. Etymology
    2. Definitions
  1. Pronunciation

    /ˈhaɪdrədʒən/

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  1. Noun

    hydrogen

    Etymology

    late 18th century: coined in French from Greek hudro-‘water’ + -genēs (see -gen)

    Definitions

    1. a nonmetallic univalent element that is normally a colorless and odorless highly flammable diatomic gas

    Examples

    • « the simplest and lightest and most abundant element in the universe »

    Derived terms

    • hydrogenate

Famous quotes

  • « And when these advances are made, hydrogen can fill critical energy needs beyond transportation. Hydrogen can also be used to heat and generate electricity for our homes. The future possibilities of this energy source are enormous. »
    Dan Lipinski
  • « Hydrogen holds great promise to meet many of our future energy needs, and it addresses national security and our environmental concerns. Hydrogen is the simplest, most abundant element in the universe. »
    Dan Lipinski
  • « I was encouraged to hear that GM has made great progress on the hydrogen car. »
    Albert Wynn
  • « The environmental benefits of hydrogen are also outstanding. When used as an energy source, hydrogen produces no emissions besides water. Zero polluting emissions, an amazing advance over the current sources of energy that we use. »
    Dan Lipinski
  • « The hydrogen powered car, with its high fuel mileage and zero emission rate, is just one example of the products under development that will help increase our energy independence. »
    Dan Lipinski

Browse dictionary

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  • hydrogenation
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