present participle of pre-date

The use of a date or code stamped on food packaging to help determine how long to display the product for sale.

Balanites aegyptiaca, a tree native to Africa and the Middle East.

The date on which a pregnant woman is expected to give birth. / The date of payment in financial arrangements. / The date by which a book (or other item) borrowed from a library must be returned.

simple past tense and past participle of double date

present participle of double date

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 / (idiomatic, by extension) Used to indicate that something, or someone, is old and out of date.

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.

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.