See also:

• EXTENSION (Lat. ex, out ; tendere, to stretch)

EXTENSION (See also:

• LAT

Lat. ex, out ; tendere, to stretch)  , in See also:

• GENERAL
• GENERAL (Lat. generalis, of or relating to a genus, kind or class)

general, the See also:

• ACTION

action of straining or stretching out . It is usually employed metaphorically (cf. the phrase an "See also:

• EXTENSION (Lat. ex, out ; tendere, to stretch)

extension of See also:

• TIME (0. Eng. Lima, cf. Icel. timi, Swed. timme, hour, Dan. time; from the root also seen in " tide," properly the time of between the flow and ebb of the sea, cf. O. Eng. getidan, to happen, " even-tide," &c.; it is not directly related to Lat. tempus)
• TIME, MEASUREMENT OF
• TIME, STANDARD

time," a See also:

• PERIOD
• PERIOD (Gr. irepioSos, a going or way round, circuit, aepi, round, and &Sis, way, road)

period allowed in excess of what has been agreed upon) . It is used as a technical See also:

• TERM

term in See also:

• LOGIC (Xoy1K7, sc. rixvrt, the art of reasoning)

logic to describe the See also:

• TOTAL

total number of See also:

• OBJECTS

objects to which a given term may he applied; thus the meaning of the term " See also:

• KING
• KING (O. Eng. cyning, abbreviated into cyng, cing; cf. O. H. G. chun- kuning, chun- kunig, M.H.G. kiinic, kiinec, kiinc, Mod. Ger. Konig, O. Norse konungr, kongr, Swed. konung, kung)
• KING [OF OCKHAM], PETER KING, 1ST BARON (1669-1734)
• KING, CHARLES WILLIAM (1818-1888)
• KING, CLARENCE (1842–1901)
• KING, EDWARD (1612–1637)
• KING, EDWARD (1829–1910)
• KING, HENRY (1591-1669)
• KING, RUFUS (1755–1827)
• KING, THOMAS (1730–1805)
• KING, WILLIAM (1650-1729)
• KING, WILLIAM (1663–1712)

King " in " extension " means the See also:

• KINGS, FIRST AND SECOND BOOKS OF

kings of See also:

• ENGLAND
• ENGLAND, THE CHURCH OF

England, See also:

• ITALY
• ITALY (Italia)

Italy, See also:

• SPAIN
• SPAIN (Espana)

Spain, &c . (cf . See also:

• DENOTATION (from Lat. denotare, to mark out, specify)

DENOTATION), while in " intension " it means the attributes which taken together make up the See also:

• IDEA (Gr. Ibia, connected with i&eiv, to see; cf. Lat. species from specere, to look at)

idea of kinghood (see See also:

• CONNOTATION

CONNOTATION) . In See also:

• PSYCHOLOGY
• PSYCHOLOGY (>Guxrl, the mind or soul, and X yos, theory)

psychology -the literal sense of extension is retained, i.e . " spread-outness." The See also:

• PERCEPTION (from Lat. percipere, to perceive)

perception of space by the senses of sight and See also:

• TOUCH (derived through Fr. toucher from a common Teutonic and Indo-Germanic root, cf. " tug," " tuck," O. H. Ger. zucchen, to twitch or draw)

touch, as opposed to semi spatial perceptions by See also:

• SMELL (connected etymologically with " smoulder " and " smoke ")

smell and See also:

• HEARING (formed from the verb " to hear," O. Eng. hyran, heron, &c., a common Teutonic verb; cf. Ger. Koren, Dutch hooren, &c.; the O. Tent. form is seen in Goth. hausjan; the initial h makes any connexion with " ear," Lat. audire, or Gr. &Kobew very doub

hearing, is that of " continuous expanse composed of positions separated and connected by distances " (Stout) ; to this the term " extension " is applied . The perception of See also:

• SEPARATE

separate objects involves position and distance, but these taken together are not extension, which necessarily implies continuity . To move one's See also:

• FINGER

finger along the keys of a piano gives both the position and the distance of the keys; to move it along the See also:

• FRAME

frame gives the idea of extension . By expanding this idea we obtain the conception of all space as an extended whole . To this perception are necessary both See also:

• FORM (Lat. forma)

form and material . It should be observed the actual quality of a stimulus (rough, smooth, dry, &c.) has nothing to do with the spatial perception as such, which is concerned purely with what is known as " See also:

• LOCAL

local See also:

• SIGNATURE (through Fr. from Lat. signature, signare, to sign, signum, mark, token, sign)

signature." The elementary undifferentiated sensation excited by the stimuli exerted by a continuous whole is known as its " extensive quantity " or " extensity." The term has to do not with the See also:

• KIND (O. E. ge-cynde, from the same root as is seen in " kin," supra)

kind of See also:

• OBJECT

object which excites the sensation, but simply with the vague massiveness of the latter .

As such it is distinguishable in thought from extension, though it is not easy to say whether and if so how far the quantitative aspect of space can exist apart from spatial See also:

• ORDER
• ORDER (through Fr. ordre, for earlier ordene, from Lat. ordo, ordinis, rank, service, arrangement; the ultimate source is generally taken to be the root seen in Lat. oriri, rise, arise, begin; cf. " origin ")
• ORDER, HOLY

order . Extensity as an See also:

• ELEMENT (Lat. elementum)

element in the complex of extension must be carefully distinguished from intensity . See also:

• MERE
• MERE, ADALBERT (1838-1909)

Mere increase of pressure implies increase of intensity of sensation; to increase the extensity the See also:

• AREA

area, so to speak, of the exciting stimulus must be increased . Thus the extensity (also called " voluminousness," or " massiveness ") of the sensation produced by a See also:

• ROLL (O. Fr. rolle, roulle, mod. role, Lat. rotulus, dim. of rota, wheel)
• ROLL, ALFRED PHILIPPE (1846– )

roll of See also:

• THUNDER

thunder is greater than that produced by a See also:

• WHISTLE

whistle or the bark of a See also:

• DOG

dog . It should be observed that this application of the idea of extensity to sensation in general, rather than to the See also:

• MATTER

matter which is the exciting stimulus, is only an See also:

• ANALOGY (Gr. avaXo-yLa, proportion)

analogy, an See also:

• ATTEMPT (Lat. adtemptare, attentare, to try)

attempt to explain a See also:

• COMMON

common psychic phenomenon by terminology which is intrinsically suitable to the See also:

• PHYSICAL

physical . As a natural consequence the term represents different shades of meaning in different See also:

• TREATISES

treatises, verging sometimes towards the physical, sometimes towards the psychic, meaning . In connexion with extension elaborate psycho-physical experiments have been devised,.e.g. with the object of comparing the accuracy of tactual and visual perception and discovering what are the least See also:

• DIFFERENCES, CALCULUS OF (Theory of Finite Differences)

differences which each can observe . At a distance two See also:

• LIGHTS, CEREMONIAL USE OF

lights appear as one, just as two stars distinguishable through a See also:

• TELESCOPE

telescope are one to the naked See also:

• EYE
• EYE (O. Eng. edge, Ger. Auge; derived from an Indo-European root also seen in Lat. oc-ulus, the organ of vision (q.v.)

eye (see See also:

• VISION (from Lat. videre, to see), or SIGHT

VISION) : again if the points of a See also:

• COMPASS (Fr. corn pas, ultimately from Lat. cum, with, and passus, step)

compass are brought See also:

• CLOSE
• CLOSE (from Lat. clausum, shut)
• CLOSE, MAXWELL HENRY (1822-1903)

close together and pressed lightly on the skin the sensation, though vague and diffused, is a single one . See PSYCHOLOGY and See also:

• WORKS

works there quoted; also SPACE AND TIME .