noun increase of power or energy of any quality or thing; intenseness; fervency.
2. intension ·noun a straining, stretching, or bending; the state of being strained; as, the intension of a musical string.
3. intension ·noun the collective attributes, qualities, or marks that make up a complex general notion; the comprehension, content, or connotation;
opposed to extension, extent, or sphere.