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Collins English-Chinese Dictionary
- carbon ['kɒːbən]
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-
1.
noun
[u]
碳
-
1.
noun
[u]
碳
Comprehensive English-Chinese Dictionary
Collins English-English Dictionary
- carbon ['kɑːbən]
-
-
1.
n
a nonmetallic element existing in the three crystalline forms: graphite, diamond, and buckminsterfullerene: occurring in carbon dioxide, coal, oil, and all organic compounds. The isotope carbon-12 has been adopted as the standard for atomic wt; carbon-14, a radioisotope with a half-life of 5700 years, is used in radiocarbon dating and as a tracer. Symbol: C; atomic no: 6; atomic wt: 12.011; valency: 2, 3, or 4; relative density: 1.8--2.1 (amorphous), 1.9--2.3 (graphite), 3.15--3.53 (diamond); sublimes at 3367±25°C; boiling pt: 4827°C
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2.
n
(as modifier)
- a carbon compound
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3.
n
short for carbon paper
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4.
n
a carbon electrode used in a carbon-arc light or in carbon-arc welding
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5.
n
a rod or plate, made of carbon, used in some types of battery
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6.
n
[Etymology]
C18: from French carbone, from Latin carb
o charcoal, dead or glowing coal
-
1.
n
a nonmetallic element existing in the three crystalline forms: graphite, diamond, and buckminsterfullerene: occurring in carbon dioxide, coal, oil, and all organic compounds. The isotope carbon-12 has been adopted as the standard for atomic wt; carbon-14, a radioisotope with a half-life of 5700 years, is used in radiocarbon dating and as a tracer. Symbol: C; atomic no: 6; atomic wt: 12.011; valency: 2, 3, or 4; relative density: 1.8--2.1 (amorphous), 1.9--2.3 (graphite), 3.15--3.53 (diamond); sublimes at 3367±25°C; boiling pt: 4827°C
Examples
- iron with a high carbon content
- 具有高含碳量的铁 → carbon
- to manifold a letter with carbon paper
- 用复写纸复制的一封信 → manifold
- a quaternary carbon atom
- 季碳原子 → quaternary
- The bank teller will validate both the original and the carbon copy.
- 银行出纳将对原件和复印件进行验证。 → carbon
- Please send your proposal with a carbon copy.
- 把你的提议发个副本给我。 → copy
- hydrochloric acid absorbs carbon dioxide → absorb
- diamond and graphite are allotropes of carbon → allotrope
- carbon monoxide is an asphyxiant → asphyxiant
- a carbon compound → carbon
- carbon-arc light → carbon arc
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Revised Vocab Lists
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