carbon-14

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carbon-14

[′kär·bən ′fȯr‚tēn]
(nuclear physics)
A naturally occurring radioisotope of carbon having a mass number of 14 and half-life of 5780 years; used in radiocarbon dating and in the elucidation of the metabolic path of carbon in photosynthesis. Also known as radiocarbon.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
"Highest temperatures on the low side for the time of year, expected to reach just 11C to 14C in light variable breezes.
Easter Sunday, April 21: Churchgoers will experience rain in the morning, but it should dry out with highs of 14C and lows of 5C.
"Temperatures will be 9C or 10C in the East and North and elsewhere up to 14C.
By Friday, several areas in North Wales, including Ruthin, Bala and Hawarden will be 14C.
The region is expected to have temperatures dropping to around 14C on Friday and 13C on Saturday in certain areas such as Mezeira and Qasyoura.
And the good weather is set to continue into the weekend, with Friday looking pretty dry and bright, especially in the afternoon when people finish work - highs of 14C and lows of 7C.
Highs of 14C are predicted for Monday and Tuesday, with the heat set to rise as the week goes on.
Birmingham could bask in near record-high temperatures when the mercury hits 14C at the weekend.
Quotient's OncoADME service employs the company's real-time adaptive manufacturing approach to supply 14C radiolabelled drug products to specialist oncology clinics globally.
It's set to be overcast tomorrow in Teesside with a top temperature of 18C and low of 14C Friday is similar, say The Met Office, with a top temperature of 17C and and bottom temperature of 14C.