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carbon 14 a radioactive isotope of carbon that has a half-life of about 5,700 years and whose presence in rock, fossils, and other archaeological specimens enables them to be dated.
carbon dating a way of approximating the age of an archaeological object by measuring the amount of carbon 14 in it.
dig an archaeological exploration accomplished by digging. [1/8 definitions]
excavate to expose an archaeological site. [1/5 definitions]
period an extended and indefinite span of time, as of an archaeological or historical era. [1/8 definitions]
potsherd a fragment of broken pottery, esp. one with archaeological significance.