Constriction is a synonym of constraint.
As nouns the difference between constriction and constraint
is that constriction
is the act of constricting, the state of being constricted, or something that constricts while constraint
is something that constrains.
The act of constricting, the state of being constricted, or something that constricts
A narrow part of something; a stricture
Something that constrains.
(mathematics) A condition that a solution to an optimization problem must satisfy.
* constraint satisfaction