A fixed reference point or set of reference points which precisely define a system of measurement or a coordinate system.
A premise from which conclusions are drawn.
A floating reference point, or SLDMB, used to evaluate surface currents in a body of water. Often employed by coastal search and rescue.
A fact known from direct observation.
To provide missing data points by using a mathematical model to extrapolate values that are outside the range of a measuring device.
A term at any position in a matrix.
The point when a musician starts to play or sing; entrance.
The act of entering.
A doorway that provides a means of entering a building.
The act of taking possession.
Permission to enter.
The start of an insurance contract.
An item in a list, such as an article in a dictionary or encyclopedia.
A record made in a log, diary or anything similarly organized; (computing) a datum in a database.
A small room immediately inside the front door of a house or other building, often having an access to a stairway and leading on to other rooms
The introduction of new hounds into a pack.
A small group formed within a church, especially Episcopal, for simple dinner and fellowship, and to help facilitate new friendships
A passageway between terraced houses that provides a means of entering a back garden or yard.
The exhibition or depositing of a ship's papers at the customhouse, to procure licence to land goods; or the giving an account of a ship's cargo to the officer of the customs, and obtaining his permission to land the goods.