Intension

Part of speech: noun (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. Jer. Taylor. Sounds . . . likewise do rise and fall with the intension or remission of the wind. Bacon.

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. This law is, that the intension of our knowledge is in the inverse ratio of its extension. Sir W. Hamilton.