An executor or administrator appointed to administer the estate of a deceased who did not leave a valid will.

(aviation) A device which records various performance parameters of an aircraft; it is designed to survive severe impact and fire, and, thus, help in finding the causes of an accident.

(computing) a sequence of digitally encoded coherent signals used in a transmission

(idiomatic) A date (romantic meeting) between two people who have never met before.

(archaeology) Helium dating.

Rape committed by an acquaintance of the victim while out on a date.

(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.

(law, business) Having the same date.

Data derived from reliable measurement or observation.

plural of database