a part that is added to something to enlarge or prolong it
the railway's southern extension
a length of electric cable which permits the use of appliances at some distance from a fixed socket
a subsidiary telephone on the same line as the main one
you can listen on the extension in the bedroom
the action of moving a limb from a bent to a straight position
seizures with sudden rigid extension of the limbs
denoting instruction by a university or college arranged for people who are not full-time students
a postgraduate extension course
the range of a term or concept as measured by the objects which it denotes or contains
the property of occupying space
nature, for Descartes, was pure extension in space