ALL meanings of carbon
car·bon
C c - uncountable noun carbon Carbon is a chemical element that diamonds and coal are made up of. 3
- countable noun carbon A carbon is a sheet of carbon paper. 3
- noun carbon 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 3
- noun carbon (as modifier) 3
- noun carbon a carbon electrode used in a carbon-arc light or in carbon-arc welding 3
- noun carbon a rod or plate, made of carbon, used in some types of battery 3
- noun carbon a nonmetallic chemical element found in many inorganic compounds and all organic compounds: diamond and graphite are pure carbon; carbon is the basic element in coal, coke, charcoal, soot, etc.: symbol, C; at. no., 6: a radioactive isotope (carbon-14) is used as a tracer in chemical and biochemical research, and, because of its half-life of 5,730 years and its presence in all carbon-containing matter, it is a means of dating archaeological specimens, fossils, etc. 3
- noun carbon a sheet of carbon paper 3
- noun carbon a stick of carbon used in an arc lamp 3
- noun carbon a carbon plate or rod used in a battery 3
- adjective carbon of, like, or treated with carbon 3
- noun carbon The chemical element of atomic number 6, a nonmetal that has two main forms (diamond and graphite) and that also occurs in impure form in charcoal, soot, and coal. 1
- noun carbon element 1
- noun carbon carbon paper 1
- noun carbon carbon copy 1
- noun carbon Chemistry. a widely distributed element that forms organic compounds in combination with hydrogen, oxygen, etc., and that occurs in a pure state as diamond and graphite, and in an impure state as charcoal. Symbol: C; atomic weight: 12.011; atomic number: 6; specific gravity: (of diamond) 3.51 at 20°C; (of graphite) 2.26 at 20°C. 1
- noun carbon carbon dioxide or other carbon compounds that are emitted into the atmosphere and cause rising temperatures: the carbon produced by burning fossil fuels. 1
- noun carbon carbon copy. 1
- noun carbon a sheet of carbon paper. 1
- noun carbon Electricity. the carbon rod through which current is conducted between the electrode holder and the arc in carbon arc lighting or welding. the rod or plate, composed in part of carbon, used in batteries. 1
- adjective carbon pertaining to or noting the element carbon or any of its compounds, especially carbon dioxide: to reduce carbon emissions. 1
- noun carbon (Uncountable Noun) The chemical element (symbol C) with an atomic number of 6. 0
- noun carbon (Countable Noun) An atom of this element, in reference to a molecule containing it. 0
- noun carbon (Countable Noun) INF A sheet of carbon paper. 0
- noun carbon (Countable Noun) INF A carbon copy. 0
- noun carbon A fossil fuel that is made of impure carbon such as coal or charcoal. 0
- noun carbon (Uncountable Noun) (ecology) Carbon dioxide, in the context of global warming and climate change. 0
- noun carbon A carbon rod or pencil used in an arc lamp. 0
- noun carbon A plate or piece of carbon used as one of the elements of a voltaic battery. 0