different between hydrogen vs hydrogenation

English

Etymology

From French hydrogène, coined by Louis-Bernard Guyton de Morveau, from Ancient Greek ???? (húd?r, “water”) + ?????? (genná?, “I bring forth”). Corresponding to hydro- + -gen.

Pronunciation

• (Received Pronunciation) IPA^(key): /?ha?d??d?(?)n/
• (General American) enPR: h?'dr?j?n, IPA^(key): /?ha?d??d??n/
• Hyphenation: hy?dro?gen

Noun

hydrogen (countable and uncountable, plural hydrogens)

2. The lightest chemical element (symbol H), with an atomic number of 1 and atomic weight of 1.00794.
   • For quotations using this term, see Citations:hydrogen.
3. Molecular hydrogen (H₂), a colourless, odourless and flammable gas at room temperature.
4. An atom of the element.
5. A sample of the element.

Synonyms

• waterstuff
• E949 when used as a packaging agent

Hyponyms

• deuterium
• protium
• tritium

Derived terms

Related terms

Descendants

• ? Burmese: ????????????? (huikda.ruigyang)

Translations

References

• Hydrogen on the British Royal Society of Chemistry's online periodic table

Further reading

• hydrogen on Wikipedia.Wikipedia

Danish

Noun

hydrogen n (singular definite hydrogenet, not used in plural form)

1. hydrogen

   Synonym: brint

Norwegian Bokmål

Noun

hydrogen n (definite singular hydrogenet) (uncountable)

1. hydrogen (chemical element, symbol H)

Derived terms

Norwegian Nynorsk

Noun

hydrogen n (definite singular hydrogenet) (uncountable)

1. hydrogen (chemical element, symbol H)

Derived terms

Welsh

Etymology

Borrowed from English hydrogen.

Pronunciation

• (standard) IPA^(key): /?h?dr????n/

Noun

hydrogen m (uncountable, not mutable)

1. hydrogen

   Synonym: (obsolete) ulai

Derived terms

References

• R. J. Thomas, G. A. Bevan, P. J. Donovan, A. Hawke et al., editors (1950–present) , “hydrogen”, in Geiriadur Prifysgol Cymru Online (in Welsh), University of Wales Centre for Advanced Welsh & Celtic Studies

English

Etymology

hydrogen +? -ation

Pronunciation

• Rhymes: -e???n

Noun

hydrogenation (countable and uncountable, plural hydrogenations)

1. (chemistry) The chemical reaction of hydrogen with another substance, especially with an unsaturated organic compound, and usually under the influence of temperature, pressure and catalysts.

Derived terms

• biohydrogenation
• dehydrogenation
• rehydrogenation

Translations