ə̇n.ˈtenchən noun
( -s )
Etymology: Latin intension-, intensio, from intensus (past participle of intendere to stretch forth) + -ion-, -io -ion — more at intend
1. archaic : an act of straining, stretching, or bending : tension
2.
a. : degree or marked degree (as of a quality) : intensity
b. : increase of power or energy : intensification
c. : strong or energetic exercise (as of the mind) : intentness , determination
3. : connotation 3
the intension of “ triangle ” implies or includes that of “plane figure”
— contrasted with extension