the act or an instance of extending
something extended
a part added to make something longer or larger, e.g. an extra room or rooms added to a building
an extra telephone connected to the principal line
a length of electric cable that enables an appliance to be connected to a distant socket
an increase in length of time, e.g. one that allows extra time to fulfil an obligation
extent or scope
the straightening of a joint between the bones of a limb
a programme of instruction for students of a university, college, etc who do not attend on a full-time basis
(used before a noun) of or being such a programme
an extension course
the range of objects, entities, etc to which a term applies, esp in logic
the characters following the dot in a filename created by DOS-based software, identifying the type of file