| inertia | Inactivity, inability to move spontaneously. (18 Nov 1997) |
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| inertia time | The interval elapsing between the reception of the stimulus from a nerve and the contraction of the muscle. (05 Mar 2000) |
| inertial confinement fusion | <radiobiology> Approach to fusion where the plasma is imploded so quickly that the inertia of the converging particles is so high that many fuse before they disperse. This is the method used in a hydrogen bomb, ICF schemes for power production usually use small pellets of fuel in an attempt to make miniature h-bomb type explosions. Methods for imploding the pellet include bombardment from all sides with high-powered laser and particle beams, and of course implosion in a fission bomb. Parts of ICF fusion research remain classified due to their military implications and applications, though much ICF research was recently declassified. (09 Oct 1997) |
| magnetic inertia | <physics> A lagging or retardation of the effect, when the forces acting upon a body are changed, as if from velocity or internal friction; a temporary resistance to change from a condition previously invuced, observed in magnetism, thermoelectricity, etc, on reversal of polarity. Origin: NL, fr. Gr. To be behind, to lag. Source: Websters Dictionary (01 Mar 1998) |
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| primary uterine inertia | True uterine inertia, uterine inertia that occurs when the uterus fails to contract with sufficient force to effect continuous dilation or effacement of the cervix or descent or rotation of the foetal head, and when the uterus is easily indentable at the acme of contraction, secondary uterine inertia, uterine inertia that occurs when the uterine contractions are vigorous but, as a result of the exhaustion or dehydration of the patient, decrease in vigor, and the progress of labour ceases. (05 Mar 2000) |
| principle of inertia | In psychoanalysis, the impulse to redramatise or reenact earlier emotional experiences or situations. Synonym: principle of inertia. (05 Mar 2000) |
| psychic inertia | A psychiatric term denoting resistance to any change in ideas or to progress; fixation of an idea. Uterine inertia, absence of effective uterine contractions during labour. (05 Mar 2000) |
| uterine inertia | Failure of the uterus to contract with normal strength and duration and at normal intervals during labour. It is also called uterine atony. (12 Dec 1998) |