A severe burn that destroys skin and underlying tissue and exposes nerve endings.

A company that is contracted, by a bank etc., to conduct some part of a financial transaction process; especially a company that provides software or hardware for such a process

(databases) A stage in the normalization of a relational database in which a database is in second normal form and all non-key attributes are mutually independent (no transient dependencies.)

A stream formed by the confluence of two second order streams, or of a second order stream and a third order stream.

(law) A derivative lawsuit brought by a defendant in an original lawsuit, claiming that another new party being brought in is responsible for or should share in the plaintiff's damages against the defendant.

(physics) Newton's observation that to every action (force applied) there is an equal and opposite reaction (equal force applied in the opposite direction)

The residue from cigarette smoke that lands on surfaces such as clothing and furniture.

(historical) The period of Egyptian history from the end of the New Kingdom to the start of the Late Period, comprising the 21st through 25th dynasties and characterized by political fragmentation and periods of Libyan and Nubian rule over Egypt.

(US, law) Murder without intent but during a felony.

by extension, the escape velocity of a star system