extensity
(ɛkˈstɛnsɪtɪ)
[f. L. extens-us (see extense) + -ity.]
The quality of having (a certain) extension; in Psychol. of the breadth of sensation, as opposed to intensity (see quot. 1886).
| a 1834 Coleridge in Blackw. Mag. (1882) CXXXI. 125/2 Intensity and extensity combinable only by blessed spirits. 1874 Carpenter Ment. Phys. i. i. §25 Its intensity is in a precisely inverse ratio to its extensity. 1886 J. Ward in Encycl. Brit. XX. 46 In our organic sensations, we can distinguish..variations of quality, of intensity, and of what Dr. Bain has called massiveness, or, as we will say, extensity. This last characteristic..is..an essential element in our perception of space. |