hydrogen

Meaning

1. (countable, uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
2. (countable, uncountable) The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.008.
3. (countable, uncountable) Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
4. (countable, uncountable) Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
5. (countable, uncountable) The isotope hydrogen-1 (protium) (symbol H or ¹H), contrasting with deuterium and tritium
6. (countable, uncountable) A sample of the element/molecule.

Synonyms

H

atomic number 1

hydrogenous

hydrogen gas

waterstuff

Translations

Wasserstoff

hydrogène

idrogeno

hidrógeno

waterstof

hidrogénio

υδρογόνο

hydrogenium

hidrogen

hidrojen

هيدروجين

hidrogênio

hîdrojen

idrogèn

Pronounced as (IPA)

/ˈhaɪdɹədʒ(ə)n/

Etymology

From French hydrogène, coined by Louis-Bernard Guyton de Morveau and Antoine Lavoisier, from Ancient Greek ὕδωρ (húdōr, “water”) + γεννάω (gennáō, “I bring forth”). Corresponding to hydro- + -gen.

Sentences

Detach the hydrogen atom from the cyanide molecule .