Interceptive

in·ter·cept  (ntr-spt) tr.v. in·ter·cept·ed, in·ter·cept·ing, in·ter·cepts 1. To stop, deflect, or interrupt the progress or intended course of: intercepted me with a message as I was leaving. 2. Sports a. To gain possession of (an opponent's pass), as in football or basketball. b. To gain possession of a pass made by (an opponent), especially in football. 3. Mathematics To include or bound (a part of a space or curve) between two points or lines. 4. Archaic To prevent. 5. Obsolete To cut off from access or communication. n. (ntr-spt) 1. Mathematics The coordinate of a point at which a line, curve, or surface intersects a coordinate axis. 2. a. The interception of a missile by another missile or an aircraft by another aircraft. b. Interception of a radio transmission. 3. An interceptor. [Middle English intercepten, from Latin intercipere, intercept- : inter-, inter- + capere, to seize; see kap- in Indo-European roots.] inter·ceptive adj.

intercept intercept form of the equation of a line: x/a + y/b=1