k-ar age dating
121radioactive dating — noun (U) AmE a scientific method of calculating the age of a very old object by measuring the amount of a certain substance in it; carbon dating BrE …
122radiocarbon dating — /reɪdioʊˌkabən ˈdeɪtɪŋ/ (say raydeeoh.kahbuhn dayting) noun the determination of the age of objects of plant or animal origin by means of their content of radioactive carbon. Also, carbon dating …
123carbon dating — ► NOUN ▪ the determination of the age of an organic object from the relative proportions of the isotopes carbon 12 and carbon 14 that it contains …
124radioactive 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 …
125radiometric 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… …
126uranium-lead dating — noun (geology) A method of determining the age in years of geological material, based on the known decay rate of uranium isotopes to lead isotopes • • • Main Entry: ↑uranium …
127Tutankhamun and the Golden Age of the Pharaohs — is a traveling exhibition showing the artifacts from Pharaoh Tutankhamun’s tomb as well as items from other ancient Egyptian Pharaohs’ tombs. The exhibition was launched in 2005, by Egypt s Supreme Council of Antiquities, together with Arts and… …
128carbon dating — noun Date: 1951 the determination of the age of old material (as an archaeological or paleontological specimen) by means of the content of carbon 14 • carbon date transitive verb …
