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Meaning of PERTURBATION

Pronunciation:  `purtur'beyshun

 
WordNet Dictionary
 
 Definition: 
  1. [n]  the act of causing disorder
  2. [n]  a disposition that is confused or nervous and upset
  3. [n]  activity that is an intrusion or interruption; "he looked around for the source of the disturbance"; "there was a disturbance of neural function"
  4. [n]  (physics) a secondary influence on a system that causes it to deviate slightly
  5. [n]  an unhappy and worried mental state; "there was too much anger and disturbance"; "she didn't realize the upset she caused me"
 

PERTURBATION is a 12 letter word that starts with P.

 

 Synonyms: disruption, disturbance, disturbance, fluster, upset
 
 See Also: activity, agitation, bother, breakdown, discomposure, dislocation, disturbance, fuss, hassle, influence, magnetic storm, surprisal, surprise, trouble, variation

 

 

Webster's 1913 Dictionary
 
 Definition: 
\Per`tur*ba"tion\, n. [L. perturbatio: cf. F.
perturbation.]
1. The act of perturbing, or the state of being perturbed;
   esp., agitation of mind.

2. (Astron.) A disturbance in the regular elliptic or other
   motion of a heavenly body, produced by some force
   additional to that which causes its regular motion; as,
   the perturbations of the planets are caused by their
   attraction on each other. --Newcomb.

 
Thesaurus Terms
 
 Related Terms: ado, aggravation, agitation, all-overs, angst, animation, anxiety, anxiety hysteria, anxiety neurosis, anxious bench, anxious concern, anxious seat, anxiousness, apprehension, apprehensiveness, arousal, arousing, baffle, bafflement, befuddlement, bewilderment, bluster, bobbery, boil, boiling, bother, botheration, brouhaha, bustle, cankerworm of care, care, chaos, chills of fear, churn, cloud, cold creeps, cold shivers, cold sweat, commotion, concern, concernment, confoundment, confusion, conturbation, convulsion, creeps, daze, derangement, dilemma, disarrangement, disarray, disarticulation, discombobulation, discomfiture, discomposure, disconcert, disconcertedness, disconcertion, disconcertment, disharmony, dishevelment, disintegration, disjunction, dislocation, disorder, disorderliness, disorganization, disorientation, disproportion, disquiet, disquietude, disruption, distress, disturbance, dread, ebullience, ebullition, eddy, effervescence, electrification, embarrassment, embroilment, enigma, entropy, exacerbation, exasperation, excitation, excitement, exhilaration, fear, fear and trembling, feery-fary, ferment, fermentation, fever, feverishness, fidgets, fix, flap, flummox, flurry, fluster, flutter, flutteration, fog, foment, fomentation, foreboding, forebodingness, frenzy, fuddle, fuddlement, fume, fuss, galvanization, goose bumps, gooseflesh, haphazardness, haze, heartquake, horripilation, hubbub, hurly-burly, hurry, hurry-scurry, incitement, incoherence, indiscriminateness, inflammation, infuriation, inharmonious harmony, inquietude, insanity, irregularity, irritation, jam, jimjams, jitters, jumble, jumpiness, lathering up, maelstrom, malaise, maze, mess, misarrangement, misgiving, mist, moil, most admired disorder, muddle, muddlement, mystery, nerviness, nervous tension, nervousness, nonplus, nonsymmetry, nonuniformity, overanxiety, palpitation, pell-mell, perplexity, pickle, pins and needles, plight, pother, predicament, problem, promiscuity, promiscuousness, provocation, pucker, puzzle, puzzlement, quaking, quandary, quiver of terror, randomness, restlessness, riddle, roil, rout, row, ruffle, scrape, seethe, seething, shivers, shuffle, shuffling, solicitude, steaming up, stew, stimulation, stimulus, stir, stirring, stirring up, strain, suspense, sweat, swirl, swirling, swivet, tension, thrill of fear, tizzy, to-do, trepidation, trepidity, trouble, tumult, tumultuation, turbidity, turbulence, turmoil, twitter, unassuredness, unease, uneasiness, unquietness, unrest, unsettlement, unsymmetry, ununiformity, uproar, upset, vexation, vortex, whipping up, whirl, working up, yeastiness, zeal
 

 

 

 

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