Extension

1. The act of extending or the state of being extended; a stretching out; enlargement in breadth or continuation of length; increase; augmentation; expansion.
2. (Physics) That property of a body by which it occupies a portion of space.
3. (Logic & Metaph.) The operation of stretching a broken bone so as to bring the fragments into the same straight line.
4. (Physiol.) The straightening of a limb, in distinction from flexion.
5. (Com.) A written engagement on the part of a creditor, allowing a debtor further time to pay a debt.
1. Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension.
2. the class or set of objects to which a term refers; -- contrasted with intension, the logical specification which defines members of a class, being the set of attributes which are necessary and sufficient to recognize an object as a member of the class.
Counter extension . (Surg.)
See under Counter.
Extension table ,
a table so constructed as to be readily extended or contracted in length.