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. (Logic & Metaph.) 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.