Definition of: extension

(ik·sten′shən) noun
1. The act or process of extending.
2. An annex; addition.
3. That property of matter by virtue of which it occupies space.
4. Logic The capacity of a general concept to cover the specific classes or individual things connoted by it; the degree of applicability belonging to a notion.
5. Surg. Traction of a fractured or dislocated limb in order to replace its parts.
6. Anat. The straightening of a limb: opposed to flexion.
7. The act of a creditor allowing to a debtor further time in which to pay a debt. See synonyms under ACCESSION, APPENDAGE, INCREASE. [<L extensio, -onis <extendere. See EXTEND.]