plural of call date

present participle of double date

The date and year something or someone was born.

plural of date of birth

plural of date of birth

(idiomatic) An inevitable future event or anticipated occurrence, especially in the form of an encounter which is likely to be momentous.

The final date on which a perishable product can be legally sold to the public. / (idiomatic, by extension) Used to indicate that something, or someone, is old and out of date.

Synonym of radioactive dating

(uncountable) A method of determining the age of a fossil by comparing its placement with that of fossils in other layers of rock. / (countable) An act of so doing.

The process of determining the age of a material by estimating the amount of radioactive decay of one or more radioisotopes present in the material when it was formed.