🇨🇳Chinese Source WordCode: ZH

三键

Pronunciation / Transliteration: sān jiàn

🇬🇧 Direct English Meaning:
Triple-bond/ˈtrɪp.əl.bɒnd/
nounCEFR C1 (Advanced)Top #25400 frequency
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🇨🇳 Example Sentence in Chinese:

"乙炔分子中含有碳碳三键。"

Comprehensive Definitions & Senses

2 senses
As noun
  1. 1

    A covalent bond between two atoms involving six bonding electrons instead of the usual two in a single bond.

    "The nitrogen molecule contains a very strong triple-bond between the two nitrogen atoms."
  2. 2

    A chemical linkage consisting of one sigma bond and two pi bonds.

    "Alkynes are characterized by the presence of a carbon-carbon triple-bond."

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Antonyms & Contrasting Words (2)

Linguistic Origin & Historical Etymology

Derived from the combination of 'triple', coming from Middle English and Latin 'triplus' (threefold), and 'bond', from Middle English 'band' or 'bond', denoting a uniting force or tie. In chemistry, it emerged in the late 19th century as structural chemistry advanced to describe covalent bonds involving six bonding electrons.

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