Wiktionary

hydrogen

English edit

Chemical element
H Next: helium (He)

Etymology edit

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

Pronunciation edit

Noun edit

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.
    1. An atom of the element.
  3. Molecular hydrogen (H2), a colourless, odourless and flammable gas at room temperature.
    1. A molecule of this molecular species
  4. The isotope hydrogen-1 (also symbol H), contrasting with deuterium and tritium
    Synonym: protium
    • Hydrogen is generally considered to be electronically the same as deuterium. […] In both PdHx and PdDx […] a resistivity maximum is found near 50 K.
  5. A sample of the element/molecule.

Synonyms edit

element
molecule

Hyponyms edit

isotopes
molecule

Derived terms edit

Related terms edit

Descendants edit

  • → Burmese: ဟိုက်ဒရိုဂျင် (huikda.ruigyang)

Translations edit

See also edit

Periodic table of elements in English · periodic table of elements (layout · text)
Period
Group
 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18
1 1
H 		Color of the number (state of matter at STP): liquid, gas, solid, solid (synthetic), not yet been discovered 2
He
2 3
Li 		4
Be 		Blocks: d-block f-block p-block s-block 5
B 		6
C 		7
N 		8
O 		9
F 		10
Ne
3 11
Na 		12
Mg 		13
Al 		14
Si 		15
P 		16
S 		17
Cl 		18
Ar
4 19
K 		20
Ca
21
Sc 		22
Ti 		23
V 		24
Cr 		25
Mn 		26
Fe 		27
Co 		28
Ni 		29
Cu 		30
Zn 		31
Ga 		32
Ge 		33
As 		34
Se 		35
Br 		36
Kr
5 37
Rb 		38
Sr
39
Y 		40
Zr 		41
Nb 		42
Mo 		43
Tc 		44
Ru 		45
Rh 		46
Pd 		47
Ag 		48
Cd 		49
In 		50
Sn 		51
Sb 		52
Te 		53
I 		54
Xe
6 55
Cs 		56
Ba 		*
 71
Lu 		72
Hf 		73
Ta 		74
W 		75
Re 		76
Os 		77
Ir 		78
Pt 		79
Au 		80
Hg 		81
Tl 		82
Pb 		83
Bi 		84
Po 		85
At 		86
Rn
7 87
 Fr  		88
Ra 		**
 103
Lr 		104
Rf 		105
Db 		106
Sg 		107
Bh 		108
Hs 		109
Mt 		110
Ds 		111
Rg 		112
Cn 		113
Nh 		114
Fl 		115
Mc 		116
Lv 		117
Ts 		118
Og

* lanthanides 57
La 		58
Ce 		59
Pr 		60
Nd 		61
Pm 		62
Sm 		63
Eu 		64
Gd 		65
Tb 		66
Dy 		67
Ho 		68
Er 		69
Tm 		70
Yb
** actinides 89
Ac 		90
Th 		91
Pa 		92
U 		93
Np 		94
Pu 		95
Am 		96
Cm 		97
Bk 		98
Cf 		99
Es 		100
Fm 		101
Md 		102
No

References edit

Further reading edit

Danish edit

Noun edit

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

  1. hydrogen
    Synonym: brint

Norwegian Bokmål edit

Chemical element
H Next: helium (He)
 
Norwegian Wikipedia has an article on:
Wikipedia no

Noun edit

hydrogen n (definite singular hydrogenet) (uncountable)

  1. hydrogen (chemical element, symbol H)

Derived terms edit

Norwegian Nynorsk edit

Chemical element
H Next: helium (He)
 
Norwegian Nynorsk Wikipedia has an article on:
Wikipedia nn

Noun edit

hydrogen n (definite singular hydrogenet) (uncountable)

  1. hydrogen (chemical element, symbol H)

Derived terms edit

Welsh edit

Chemical element
H Next: heliwm (He)
 
Welsh Wikipedia has an article on:
Wikipedia cy

Etymology edit

Borrowed from English hydrogen, from French hydrogène, from Ancient Greek ὕδωρ (húdōr, “water”) + γεννάω (gennáō, “I bring forth”).

Pronunciation edit

Noun edit

hydrogen m (uncountable, not mutable)

  1. hydrogen
    Synonyms: ulai, ulnwy

Derived terms edit

Further reading edit

  • 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
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