carbon 14

noun

Definition of carbon 14

: a heavy radioactive isotope of carbon of mass number 14 used especially in tracer studies and in dating old materials (such as archaeological and geologic specimens)

Examples of carbon 14 in a Sentence

Recent Examples on the Web The researchers followed up with tree rings and saw a corresponding spike of carbon 14. Jonathan O'callaghan, Scientific American, 13 Sep. 2021 Studying carbon 14 data in tree rings from this era, the team found another spike. Jonathan O'callaghan, Scientific American, 13 Sep. 2021 Poring through them for events such as carbon 14 spikes is time-consuming, however. Jonathan O'callaghan, Scientific American, 13 Sep. 2021 While alive, animals and plants tend to contain the same levels of carbon 14 as their environment. Scott Hershberger, Scientific American, 4 Aug. 2020 All living things absorb carbon 14, a radioactive carbon isotope that decays at a regular rate over time. Megan I. Gannon, Scientific American, 1 Sep. 2020 Radiocarbon dating is based on measurement of the radioactive isotope, carbon 14, and radioactive decay is a random process at the atomic level, so any 14C measurement depends on the statistical behavior of all the 14C atoms present. Kiona N. Smith, Ars Technica, 5 Mar. 2020 See More

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'carbon 14.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

First Known Use of carbon 14

1946, in the meaning defined above

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Time Traveler for carbon 14

Time Traveler

The first known use of carbon 14 was in 1946

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Dictionary Entries Near carbon 14

carbon 13

carbon 14

carbon 14 dating

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Statistics for carbon 14

Cite this Entry

“Carbon 14.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/carbon%2014. Accessed 3 Jul. 2022.

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More Definitions for carbon 14

carbon 14

noun
\ -(ˈ)fōr(t)-ˈtēn, -(ˈ)fȯr(t)- How to pronounce carbon 14 (audio) \

Medical Definition of carbon 14

: a heavy radioactive isotope of carbon of mass number 14 used especially in tracer studies and in dating archaeological and geological materials

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