acetylen

See also: Acetylen and acetylén

Norwegian Bokmål

Structural formula of the acetylene (ethyne) molecule, C₂H₂. The molecule belongs to the D_∞h point group.

Etymology

acetyl +‎ -en, first part from Latin acētum (“vinegar”), from aceō (“to be sour”), from Proto-Italic *akēō (“be sharp-tasting, be sour”), from Proto-Indo-European *h₂eḱ-éh₁-ye-ti, from *h₂eḱ- (“sharp”) + second part is a new formation from Ancient Greek ὕλη (húlē, “wood, material”), from Proto-Indo-European *swel-, *sel- (“firewood, wood, beam”). Last part from Ancient Greek -ηνή (-ēnḗ), feminine form of -ηνός (-ēnós), from -νός (-nós), alternative form of -νος (-nos), from Proto-Indo-European *-nós.

Pronunciation

• IPA^(key): /asɛtʏˈleːn/

• Audio

  (file)

• Rhymes: -eːn
• Hyphenation: a‧ce‧tyl‧en

Noun

acetylen n (definite singular acetylenet, indefinite plural acetylen, definite plural acetylena or acetylenene)

1. (organic chemistry) acetylene (any organic compound having one or more carbon–carbon triple bonds; an alkyne)
2. (organic chemistry) acetylene (ethyne; the simplest alkyne, a hydrocarbon of formula HC≡CH. It is a colourless, odorless gas, formerly used as an illuminating gas, but now used in welding or metallurgy)

   Synonym: etyn

Derived terms

• acetylenlampe (“acetylene lamp”)

References

• “acetylen” in The Bokmål Dictionary.
• “acetylen” in Det Norske Akademis ordbok (NAOB).
• “acetylen” in Store norske leksikon

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Polish

Pronunciation

• IPA^(key): /a.t͡sɛˈtɨ.lɛn/

• audio

  (file)

Noun

acetylen m inan

1. acetylene

Declension

declension of acetylen

	singular
nominative	acetylen
genitive	acetylenu
dative	acetylenowi
accusative	acetylen
instrumental	acetylenem
locative	acetylenie
vocative	acetylenie

Further reading

• acetylen in Polish dictionaries at PWN

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Swedish

Noun

acetylen n or c

1. (organic chemistry) ethyne, a simple hydrocarbon (alkyne)
2. definite singular of acetyl

Declension

Declension of acetylen
	Uncountable
	Indefinite	Definite
Nominative	acetylen	acetylenet	—	—
Genitive	acetylens	acetylenets	—	—

Declension of acetylen
	Uncountable
	Indefinite	Definite
Nominative	acetylen	acetylenen	—	—
Genitive	acetylens	acetylenens	—	—

Related terms

• acetylengas
• acetylenlykta

References

• acetylen in Svenska Akademiens ordlista över svenska språket (8th ed., 1923)