carbon 13


noun

the stable isotope of carbon having an atomic mass number 13, used as a tracer.

QUIZZES

TAKE THIS QUIZ IF A DAZZLING VOCABULARY IS YOUR DESIDERATUM!

Have the Words of the Day from October 19–25, 2020, made an indelible mark on your memory? Take the quiz to find out!
Question 1 of 7
What does “clement” mean?
Also car·bon-13 [kahr-buhn-thur-teen]. /ˈkɑr bən θɜrˈtin/.

Origin of carbon 13

First recorded in 1940–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020