Deflection
WordNet
noun
(1) A turning aside (of your course or attention or concern)
"A diversion from the main highway"
"A digression into irrelevant details"
"A deflection from his goal"
(2) The property of being bent or deflected
(3) The movement of the pointer or pen of a measuring instrument from its zero position
(4) The amount by which a propagating wave is bent
(5) A twist or aberration; especially a perverse or abnormal way of judging or acting