Definitions
from The American Heritage® Dictionary of the English Language, 5th Edition.
- noun A naturally occurring, radioactive carbon isotope with an atomic mass of 14 and a half-life of 5,730 years, used in determining the age of ancient organic, geologic, or archaeological specimens.
from the GNU version of the Collaborative International Dictionary of English.
- noun a radioactive isotope of carbon with a half-life of 5730 years. It occurs naturally in minute quantities, and is used as the basis for
radiocarbon dating .
from Wiktionary, Creative Commons Attribution/Share-Alike License.
- noun physics a
radioactive isotopes ofcarbon , 146C, having sixprotons and eightneutrons ; it is used inradiocarbon dating
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- noun a radioactive isotope of carbon
Etymologies
Sorry, no etymologies found.
Support
Help support Wordnik (and make this page ad-free) by adopting the word carbon-14.
Examples
-
However, about one atom in a trillion is carbon-14, which is radioactive.
THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009
-
However, about one atom in a trillion is carbon-14, which is radioactive.
THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009
-
All living creatures, whether plants or animals, have approximately the same ratio of carbon-12 to carbon-14, which is the same ratio as you’ll find in the atmosphere.
THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009
-
All living creatures, whether plants or animals, have approximately the same ratio of carbon-12 to carbon-14, which is the same ratio as you’ll find in the atmosphere.
THE GREATEST SHOW ON EARTH RICHARD DAWKINS 2009
-
In addition, minute fragments of bone were sent for carbon-14 testing by experts unaware of their provenance.
-
The prize in 1960 was given to Willard F. Libby of the University of California, Los Angeles (UCLA), for his method to determine the age of various objects (of geological or archeological origin) by measurements of the radioactive isotope carbon-14.
The Nobel Prize in Chemistry: The Development of Modern Chemistry 2010
-
The medieval cotton fibers interwoven into the sample could well have accounted for the carbon-14 test result that dated the Shroud somewhere around 1260 to 1390 A.D.
The Shroud Codex Ph.D Jerome R. Corsi 2010
-
“Today I am here to announce that I have successfully reproduced the Shroud of Turin using only materials and methods known to be available to medieval forgers who were working in the period between 1260 and 1390 A.D., the dates the carbon-14 tests done on the Shroud have established for its date of creation.”
The Shroud Codex Ph.D Jerome R. Corsi 2010
-
“So how did Rogers prove the 1988 carbon-14 sample was different from the main body of the Shroud?”
The Shroud Codex Ph.D Jerome R. Corsi 2010
-
Since plastic debit cards didn't yet exist, Mr. Shepherd-Barron's machine used paper checks impregnated with a radioactive element called carbon-14.
The Daily Goodbye 2010
Comments
Log in or sign up to get involved in the conversation. It's quick and easy.