Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The quality of having extension or being extensive.
  • noun A specific degree or range of extension.
  • noun The attribute of sensation that enables one to perceive space or size.

from The Century Dictionary.

  • noun That kind or element of sensation from which the perception of extension is developed.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun uncountable The state of being extensive or of having extension
  • noun countable The degree to which something is extensive

Etymologies

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Examples

  • And not only the extensity, but the intensity of God's love is made plain by the little adverb "so," — God so loved the world, in spite of its wickedness, that He gave His only begotten

    The Reformed Doctrine of Predestination 1959

  • If sonorous undulations excited vibration in every resistant object of the environment they would undoubtedly come to arrange themselves in an order resembling the extensity suggested by Vision, though the slower rate of transmission of sound would detract from the practical simultaneity in the effect which, as we have seen, largely accounts for the perception of visual extensity.

    Essays Towards a Theory of Knowledge Alexander Philip

  • Vision to which the character of extensity attaches.

    Essays Towards a Theory of Knowledge Alexander Philip

  • Shakespeare's knowledge was not only thus universal in being a knowledge of general groups and laws, but also in respect of its extensity.

    The Approach to Philosophy Ralph Barton Perry 1916

  • This perception, if we look to its origin, may turn out to be primitive; no doubt the feeling of "crude extensity" is an original sensation; every inference, association, and distinction is a thing that looms up suddenly before the mind, and the nature and actuality of which is a datum of what -- to indicate its irresistible immediacy and indescribability -- we may well call sense.

    The Sense of Beauty Being the Outlines of Aesthetic Theory George Santayana 1907

  • And again, the effect of extensity is never long satisfactory unless it is superinduced upon some material beauty; the dignity of great hangings would suffer if they were not of damask, but of cotton, and the vast smoothness of the sky would grow oppressive if it were not of so tender a blue.

    The Sense of Beauty Being the Outlines of Aesthetic Theory George Santayana 1907

  • This material consists in certain general aspects of sensation -- its extensity, its pulsation, its distribution into related parts.

    The Life of Reason George Santayana 1907

  • -- Sensations differ from each other in at least four respects; namely, _quality_, _intensity_, _extensity_, and

    The Mind and Its Education George Herbert Betts 1901

  • The extensity of a sensation depends on the number of nerve endings stimulated.

    The Mind and Its Education George Herbert Betts 1901

  • By _extensity_ is meant the space-differences of sensations.

    The Mind and Its Education George Herbert Betts 1901

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