Definition of

Behavior

  1. (noun, act) manner of acting or controlling yourself
  2. (noun, act) (psychology) the aggregate of the responses or reactions or movements made by an organism in any situation
  3. (noun, attribute) (behavioral attributes) the way a person behaves toward other people
  4. (noun, state) the action or reaction of something (as a machine or substance) under specified circumstances

via WordNet, Princeton University

Origin of the word Behavior

  1. late 15c., essentially from behave, but with ending from havour "possession," a word altered (by influence of have) from aver, from O.Fr. aveir "to have." more

via Online Etymology Dictionary, ©2001 Douglas Harper

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Amplification

(electronics) the act of increasing voltage or power or current