A social outing with a current or potential lover which holds the possibility of a sexual encounter.

An organized event in which prospective romantic partners engage in a series of one-to-one meetings in a library, based around the topic of favourite books.

radiocarbon dating.

(archaeology) A technique used to date bones by measuring the amount of fluorine absorbed from the surrounding soil.

An organized event in which prospective romantic partners meet each other through a series of short one-to-one meetings

A business providing a service allowing people to meet each other for romantic outings.

A (romantic) date that two couples go on together.

To go on a double date.

plural of double date

(transitive) To gauge the age of (an organic material) by comparing the ratio of carbon isotopes.