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dated back
crew dates
dates back
speed dating
An organized event in which prospective romantic partners meet each other through a series of short one-to-one meetings
dating agency
A business providing a service allowing people to meet each other for romantic outings.
radiocarbon dating
(physics, archaeology, paleontology) 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.
carbon dating
fluorine dating
(archaeology) A technique used to date bones by measuring the amount of fluorine absorbed from the surrounding soil.
He dating
helium dating
(archaeology) 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.