carbon 13

Definition of carbon 13

: an isotope of carbon of mass number 13 that constitutes about ¹/₇₀ of natural carbon and is used as a tracer especially in spectroscopy utilizing nuclear magnetic resonance

Examples of carbon 13 in a Sentence

Recent Examples on the Web This means that regions that once harbored photosynthetic life contain slightly lower amounts of carbon 13 than sterile areas. — Peter Byrne, Quanta Magazine, "Early Life in Death Valley," 24 Apr. 2014

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carbon 13.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

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Dictionary Entries near carbon 13

carbon 14 dating

Statistics for carbon 13

Cite this Entry

“Carbon 13.” The Merriam-Webster.com Dictionary, Merriam-Webster Inc., https://www.merriam-webster.com/dictionary/carbon%2013. Accessed 10 December 2019.

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