Synonym: disruption, disturbance, fluster, upset. Similar words: probation, acculturation, verbatim, ratification, exertion, urban, nation, suburban. Meaning: [‚pɜrtər'beɪʃn /‚pɜːtə-] 
n. 1. an unhappy and worried mental state 2. (physics) a secondary influence on a system that causes it to deviate slightly 3. activity that is an intrusion or interruption 4. a disposition that is confused or nervous and upset 5. the act of causing disorder.
n. 1. an unhappy and worried mental state 2. (physics) a secondary influence on a system that causes it to deviate slightly 3. activity that is an intrusion or interruption 4. a disposition that is confused or nervous and upset 5. the act of causing disorder. 
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151. Thus, the perturbation model is updated in a batch-wise manner. After completion of each batch, a batch-wise perturbation model is identified linearized around the control trajectory for that batch.
152. Next, formal approximations of initial value problem was constructed by perturbation method and the asymptotic validity of the formal approximation is got.
153. Perturbation of the spatiotemporal dynamics of centrosome splitting can lead to genomic instability during cell division.
154. The perturbation of the aromatic system increases with decreasing ionic potential of the metals.
155. A precision analytical equation to relative motion of formation flying satellites for J 2 perturbation is presented.
156. This essay, Starting from the Calculation of the atomic magnetic moment, approaches the quantum theory of Paramagaetism and diamagnetism by applying quantum mechanics perturbation theory.
More similar words: probation, acculturation, verbatim, ratification, exertion, urban, nation, suburban, zonation, donation, location, national, operation, equation, relation, formation, education, allegation, alleviation, violation, radiation, variation, inflation, damnation, migration, isolation, summation, situation, sensation, limitation.