Hypertext Webster Gateway: "extension"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Extension \Ex*ten"sion\, n. [L. extensio: cf. F. extension. See
{Extend}, v. t.]
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.) 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. (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.
From WordNet (r) 1.7 (wn)
extension
n 1: a mutually agreed delay in the date set for the completion
of a job or payment of a debt; "they applied for an
extension of the loan"
2: act of expanding in scope; making more widely available:
"extension of the program to all in need"
3: the spreading of something (a belief or practice) into new
regions [syn: {propagation}]
4: an educational opportunity provided by colleges and
universities to people who not enrolled as regular
students [syn: {extension service}, {university extension}]
5: act of stretching or straightening out a flexed limb [ant: {flexion}]
6: the class of objects that an expression refers to; "the
extension of `satellite of Mars' is the set containing
only Demos and Phobos" [syn: {reference}, {denotation}]
7: amount or degree or range to which something extends: "the
wire has an extension of 50 feet" [syn: {lengthiness}, {prolongation}]
8: an additional telephone set that is connected to the same
telephone line
9: an addition to the length of something [syn: {elongation}]
10: an addition that extends a main building [syn: {annex}, {annexe},
{wing}]
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