rehydroxylation dating
n.— «Researchers from the Universities of Manchester and Edinburgh, behind the new technique, called it “rehydroxylation dating” to be used on fired clay ceramics like bricks, tile and pottery. […] The method relies on the fact that fired clay ceramic material will start to chemically react with atmospheric moisture as soon as it is removed from the kiln after firing. This continues over its lifetime causing it to increase in weight—the older the material, the greater the weight gain.» —“ Fire, water to help unravel archaeological objects’ age” Samay Live (Noida, Uttar Pradesh, India) May 26, 2009. (source: Double-Tongued Dictionary)
Further reading
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