radiocarbon dating
— Navneord
– Engelsk
~ a chemical analysis used to determine the age of organic materials based on their content of the radioisotope carbon 14; believed to be reliable up to 40,000 years
radiocarbon
— Navneord
– Engelsk
~ a radioactive isotope of carbon
radiocarpal joint
— Navneord
– Engelsk
~ a joint between the distal end of the radius and the proximal row of carpal bones