Definition of fixation noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//fɪkˈseɪʃn//
    ; NAmE NAmE//fɪkˈseɪʃn//
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  1. 1[countable] a very strong interest in somebody/something, that is not normal or natural a mother fixation Winning the title again has become a fixation for him. fixation with/on somebody/something He's got this fixation with cleanliness.
  2. 2[uncountable] (specialist) the process of a gas becoming solid nitrogen fixation
  3. Word Originlate Middle English (originally denoting the process of reducing a volatile spirit or essence to a permanent bodily form): from medieval Latin fixatio(n-), from fixare ‘to fix’, both from Latin fixus, past participle of figere ‘fix, fasten’.
See the Oxford Advanced American Dictionary entry: fixation