reference letter

(computing) The technique of storing the number of handles, pointers, or references to a resource such as a block of memory, disk space, or an object, so that the system can determine when the resource is no longer in use.

plural of referred pain

simple past tense and past participle of cross-refer

Third-person singular simple present indicative form of cross-refer

(programming) A data type that represents a reference to a value, as opposed to the value itself.

plural of reference frame

(physics) Alternative form of frame of reference

(physics) A frame of reference that is stationary relative to a body moving at constant velocity and on which no force is being exerted.

An independent reference system of positioning points in space