Definify.com
Webster 1913 Edition
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.)
(a)
Capacity of a concept or general term to include a greater or smaller number of objects; – correlative of
intension
. (b)
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. 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.
(Surg.)
The operation of stretching a broken bone so as to bring the fragments into the same straight line.
5.
(Physiol.)
The straightening of a limb, in distinction from
flexion
. 6.
(Com.)
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.
Webster 1828 Edition
Extension
EXTEN'SION
,Noun.
1.
The state of being extended; enlargement in breadth, or continuation of length.2.
In philosophy, that property of a body by which it occupies a portion of space.