helium

From New Latin helium, from Ancient Greek ἥλιος (hḗlios, “sun”) (because its presence was first theorised in the Sun's atmosphere) with the suffix +‎ -ium.

• enPR: hē'lē-əm, IPA^(key): /ˈhiː.li.əm/

• Audio (US)

  (file)

• Hyphenation: he‧li‧um

helium (countable and uncountable, plural heliums)

1. (uncountable) The second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.
   • 1997, Ian McEwan, Enduring Love, Vintage (1998), page 3:

     It was an enormous balloon filled with helium, that elemental gas forged from hydrogen in the nuclear furnace of the stars.

2. (countable) A form or sample of the element.

• E939 when used as a packaging gas

• helio-
• Helios

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

• Audio

  (file)

• Hyphenation: he‧li‧um

helium (uncountable)

1. helium

• edelgas

• hélium

Borrowed from Latin helium.

• IPA^(key): [ˈɦɛːlɪjum]
• Hyphenation: he‧lium

helium n

1. helium

helium n (definite singular heliummet or heliumet)

1. (uncountable) helium (chemical symbol He)

Borrowed from English helium. Derived from Ancient Greek ἥλῐος (hḗlios).

• IPA^(key): /ˈɦeː.li.ʏm/

• Audio

  (file)

• Hyphenation: he‧li‧um

helium n (uncountable)

1. helium

• heliumatoom
• heliumballon
• heliumgas

From New Latin hēlium.

• IPA^(key): /ˈhelium/, [ˈhe̞lium]
• Rhymes: -elium
• Syllabification^(key): he‧li‧um

helium

1. helium

From Ancient Greek ἥλιος (hḗlios, “sun”) +‎ -ium (chemical element suffix).

• (Classical) IPA^(key): /ˈheː.li.um/, [ˈheːlʲiʊ̃ˑ]
• (Ecclesiastical) IPA^(key): /ˈe.li.um/, [ˈɛːlium]

hēlium n (genitive hēliī); second declension

1. (New Latin, chemistry) helium

Second-declension noun (neuter).

• → Italian: elio

• IPA^(key): [ˈheː˨ʎɔ˧m]

helium n

1. (uncountable) helium
2. A part of helium

• هيليوم‎

From English helium, from New Latin helium, from Ancient Greek ἥλιος (hḗlios).

• IPA^(key): /heliom/
• Rhymes: -iom, -jom, -om

helium (Jawi spelling هيليوم)

1. helium (chemical element)

Borrowed from Norwegian helium.

hēlium

1. helium

• Koponen, Eino; Ruppel, Klaas; Aapala, Kirsti, editors (2002–2008) Álgu database: Etymological database of the Saami languages‎, Helsinki: Research Institute for the Languages of Finland

helium n (definite singular heliumet)

1. (uncountable) helium (chemical symbol He)

helium n (definite singular heliumet)

1. (uncountable) helium (chemical symbol He)

• IPA^(key): /ˈheːlɪɵm/

helium n (definite singular heliumet or heliet or helium)

1. (uncountable) helium