Extension

Part of speech: noun (n.)

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. That property of a body by which it occupies a portion of space.

3. Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension. The law is that the intension of our knowledge is in the inverse ratio of its extension. Sir W. Hamilton. The extension of [the term] plant is greater than that of geranium, because it includes more objects. Abp. Thomson.

4. The operation of stretching a broken bone so as to bring the fragments into the same straight line.

5. The straightening of a limb, in distinction from flexion.

6. A written engagement on the part of a creditor, allowing a debtor further time to pay a debt. Counter extension. (Surg.) See under Counter. -- Extension table, a table so constructed as to be readily extended or contracted in length.