Intension /(?)/

In·ten·sion

Intension

n.
  1. A straining, stretching, or bending; the state of being strained; as, the intension of a musical string.
  2. Increase of power or energy of any quality or thing; intenseness; fervency.
    Sounds . . . likewise do rise and fall with the intension or remission of the wind.
  3. The collective attributes, qualities, or marks that make up a complex general notion; the comprehension, content, or connotation; -- opposed to extension, extent, or sphere. (Logic & Metaph.)
    This law is, that the intension of our knowledge is in the inverse ratio of its extension.