k-ar age dating
111Day-age creationism — also referred to as creation theology is the belief that humans, life, the Earth, and the universe were created by a supreme being or deity s supernatural intervention. The intervention may be seen either as an act of creation from nothing (ex… …
112Helium dating — is a method of determining the age of a substance using the decay of radioactive isotopes …
113radioactive dating — ☆ radioactive dating n. the determination of the age of an artifact, bone, rock, etc. based on the known rates of decay of radioactive isotopes of various elements * * * …
114radiometric dating — any method of determining the age of earth materials or objects of organic origin based on measurement of either short lived radioactive elements or the amount of a long lived radioactive element plus its decay product. Also called radioactive… …
115helium dating — noun a method of determining the age of rock that depends on the production of helium during the decay of various radioactive isotopes of uranium and thorium. Syn: He dating …
116radiocarbon dating — noun A method of estimating the age of an artifact or biological vestige based on the relative amounts of the different isotopes of carbon present in a sample. Syn: carbon dating …
117radioactive dating — noun a) A method of determining the age of objects or material using the decay rates of radioactive components such as potassium argon. b) An instance of so doing. Syn: radiometric dating …
118carbon dating — n [U] a method of finding out the age of very old objects by measuring the amount of carbon in them …
119carbon dating — N UNCOUNT Carbon dating is a system of calculating the age of a very old object by measuring the amount of radioactive carbon it contains …
120compensated dating — prostitution As practised by some schoolgirls in Japan where copulation with females over the age of 13 is legal: Few parents want to think that their daughters are involved in compensated dating . (Daily Telegraph, 29 August 1996) …
