Extension /(?)/

Ex·ten·sion

Extension

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. (Physics)
  3. Capacity of a concept or general term to include a greater or smaller number of objects; -- correlative of intension. (Logic & Metaph.)
    The law is that the intension of our knowledge is in the inverse ratio of its extension.
    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. (Surg.)
  5. The straightening of a limb, in distinction from flexion. (Physiol.)
  6. A written engagement on the part of a creditor, allowing a debtor further time to pay a debt. (Com.)

Phrases & Compounds
Counter extension
See under Counter.
Extension table
a table so constructed as to be readily extended or contracted in length.