allene

See also: Allene and allène

English

English Wikipedia has an article on:

allene

Wikipedia

Pronunciation

• IPA^(key): /ˈæliːn/

• Audio (Southern England):

  (file)

Noun

allene (plural allenes)

1. (organic chemistry) Any of a class of hydrocarbons having two double bonds from one carbon atom to two others - R₂C=C=CR₂; especially the parent compound CH₂=C=CH₂ (propadiene).
2. (organic chemistry) Any derivative of such hydrocarbons.

Derived terms

• allenic
• allenoic
• allenol
• allenyl
• bisallene
• bromoallene
• cyclohexylallene
• heteroallene

Translations

any of a class of hydrocarbons

Catalan: al·lè (ca) m Indonesian: alena Italian: allene m Portuguese: aleno m Russian: алле́н (ru) m (allén) Spanish: aleno m Swedish: allen c

derivative of such hydrocarbons

Italian: allene m Spanish: aleno m

See also

• cumulene

Italian

Italian Wikipedia has an article on:

allene

Wikipedia ^it

Pronunciation

• IPA^(key): /alˈlɛ.ne/
• Rhymes: -ɛne
• Hyphenation: al‧lè‧ne

Noun

allene m (plural alleni)

1. (organic chemistry) allene

Anagrams

• ellena

Middle Dutch

Etymology

From al +‎ êne.

Adverb

allêne

1. only, just

Alternative forms

• alleine (Limburgish)

Descendants

• Dutch: alleen
• Limburgish: allein

Further reading

• “allene (II)”, in Vroegmiddelnederlands Woordenboek, 2000
• Verwijs, E.; Verdam, J. (1885–1929), “allene (II)”, in Middelnederlandsch Woordenboek, The Hague: Martinus Nijhoff, →ISBN, page II