A stable isotope of carbon, mass number 13, which makes up about 1.1 per cent of natural carbon and is used in isotopic labelling and nuclear magnetic resonance studies.
Origin
1930s; earliest use found in Journal of the American Chemical Society.
Definition of carbon-13 in US English:
carbon-13
noun
A stable isotope of carbon, mass number 13, which makes up about 1.1 per cent of natural carbon and is used in isotopic labelling and nuclear magnetic resonance studies.
Origin
1930s; earliest use found in Journal of the American Chemical Society.