| repetition-compulsion | In psychoanalysis, the tendency to repeat earlier experiences or actions, in an unconscious effort to achieve belated mastery over them; a morbid need to repeat a particular behaviour such as handwashing or repeated checking to see if the door is locked. (05 Mar 2000) |
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| repetition-compulsion principle | In psychoanalysis, the impulse to redramatise or reenact earlier emotional experiences or situations. Synonym: principle of inertia. (05 Mar 2000) |
| compulsion | Uncontrollable thoughts or impulses to perform an act, often repetitively, as an unconscious mechanism to avoid unacceptable ideas and desires which, by themselves, arouse anxiety; the anxiety becomes fully manifest if performance of the compulsive act is prevented; may be associated with obsessive thoughts. Origin: L. Com-pello pp. -pulsus, to drive together, compel (05 Mar 2000) |
| repetition | 1. The act of repeating; a doing or saying again; iteration. "I need not be barren of accusations; he hath faults, with surplus to tire in repetition." (Shak) 2. Recital from memory; rehearsal. 3. The act of repeating, singing, playing, the same piece or part a second time; reiteration of a note. 4. Reiteration, or repeating the same word, or the same sense in different words, for the purpose of making a deeper impression on the audience. 5. <astronomy> The measurement of an angle by successive observations with a repeating instrument. Synonym: Iteration, rehearsal. See Tautology. Origin: L. Repetitio: cf. F. Repetition. See Repeat. Source: Websters Dictionary (01 Mar 1998) |
| repetition rate | The number of pulses per minute, describing an energy outpute.g., ultrasound pulses in echocardiography rather than vascular pulses. (05 Mar 2000) |
| repetition/replication | There are four plots in a repetition/replication, the early, mid and late seral treatment plots and a control plot. A repetition/replication is also called a "block." There should be at least three repetitions/ replications in a research study to obtain statistical reliability. (05 Dec 1998) |
| repetition time | In magnetic resonance imaging, the time between repetitions of the pulse sequence. (05 Mar 2000) |