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    perturbation - Dictionary definition and meaning for word perturbation

    (noun) an unhappy and worried mental state
    Synonyms : disturbance , upset
    Example Sentence
    • there was too much anger and disturbance
    • she didn't realize the upset she caused me
    (noun) (physics) a secondary influence on a system that causes it to deviate slightly Definition
    (noun) activity that is a malfunction, intrusion, or interruption
    Synonyms : disturbance
    Example Sentence
    • the term `distress' connotes some degree of perturbation and emotional upset
    • he looked around for the source of the disturbance
    • there was a disturbance of neural function
    (noun) a disposition that is confused or nervous and upset
    Synonyms : fluster
    (noun) the act of causing disorder
    Synonyms : disruption
   Mnemonics (Memory Aids) for perturbation

"perTURB" similar to "disturb"... perturbation means disturbance

Nice kitty curled & sleeping, PURRING away when a nasty boy sneaks up and TURNS him over for a CASTRATION by means of BETA RADIATION. I'm talking PERTURBATION here.----- PURR-TURN-BETA RADIATION

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