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Extension   /ɪkstˈɛnʃən/   Listen
noun
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.
(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." "The extension of (the term) plant is greater than that of geranium, because it includes more objects."
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.






Collaborative International Dictionary of English 0.48








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"Extension" Quotes from Famous Books



... surface. 'Bearing in mind that a second of arc on the Sun represents 455 miles, it follows that an object 150 miles in diameter is about the minimum visible even as a mere mathematical point, and that anything that is sufficiently large to give the slightest impression of shape and extension of surface must have an area of at least a quarter of a million square miles; ordinarily speaking, we shall not gather much information about any object that covers less than a million.'[13] Since the British Islands have only an area of 120,700 square miles, it is evident that on the surface ...
— The Astronomy of Milton's 'Paradise Lost' • Thomas Orchard

... technical, naval considerations. A Canadian navy was opposed by some as tending to separation from the Empire, and by others as involving Canada in a share in war without any corresponding share in foreign policy. It was defended as the logical extension of the policy of self-government, which, in actual practice as opposed to pessimistic prophecy, had proved the enduring basis of imperial union. The considerations involved have been briefly reviewed in an earlier section. It need only be noted here that the constitutional ...
— The Day of Sir Wilfrid Laurier - A Chronicle of Our Own Time • Oscar D. Skelton

... art is of daily and hourly extension. The scandalous Sunday newspapers have announced an intention of evading Lord Campbell's act, by veiling their libels in caricature. Instead of writing slander and flat blasphemy, they propose to draw it, and not draw it mild. ...
— Blackwood's Edinburgh Magazine, No. CCCXXXIX. January, 1844. Vol. LV. • Various

... science, or to the mysteries of the spiritual world. And the true argument on this subject would show that this abstinence was not accidental; was not merely on a motive of convenience, as evading any needless extension of labors in teaching, which is the furthest point attained by any existing argument; but, on the contrary, that there was an obligation of consistency, stern, absolute, insurmountable, which made it essential to withhold such revelations; and that had but one such condescension, ...
— Memorials and Other Papers • Thomas de Quincey

... the eye is not directly percipient of space in the two dimensions of length and breadth. "The perception of this kind of distance," says he, "never formed the subject of controversy with any one ... That we see extension in two dimensions is admitted by all."—(Letter, p. 10.) If it can be shown that the doctrine which is here stated to be admitted by all philosophers, is yet expressly controverted by the two metaphysicians whom Mr Bailey appears to have studied most assiduously, it is, at any rate, possible ...
— Blackwood's Edinburgh Magazine, No. CCCXXXII. - June, 1843.,Vol. LIII. • Various


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