habituation Meaning, Definition & Usage

  1. noun being abnormally tolerant to and dependent on something that is psychologically or physically habit-forming (especially alcohol or narcotic drugs)
    dependance; addiction; dependence; dependency.
  2. noun a general accommodation to unchanging environmental conditions

WordNet

Ha*bit`u*a"tion noun
Etymology
Cf. F. habituation.
Definitions
  1. The act of habituating, or accustoming; the state of being habituated.

Webster 1913