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The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794. / Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.

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hydrogen

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Source Word

hydrogen

IPA(Pronunciation)

/ˈhaɪdɹədʒ(ə)n/

Noun

countable uncountable

The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794. / Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.

Japanese Meaning

最も軽い化学元素。元素記号はH、原子番号1、原子量1.00794。 / 分子状水素：無色、無臭で、室温で可燃性の気体。