| aftershock | (noun) a tremor (or one of a series of tremors) occurring after the main shock of an earthquake | - |
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| chock | (noun) a block of wood used to prevent the sliding or rolling of a heavy object | Synonyms: wedge |
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| electroshock | (noun) the administration of a strong electric current that passes through the brain to induce convulsions and coma | Synonyms: ECT, electroconvulsive therapy, electroshock therapy |
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| foreshock | (noun) a tremor preceding an earthquake | - |
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| hock | (noun) tarsal joint of the hind leg of hoofed mammals; corresponds to the human ankle | Synonyms: hock-joint |
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| (noun) any of several white wines from the Rhine River valley in Germany (`hock' is British usage) | Synonyms: Rhenish, Rhine wine |
| hollyhock | (noun) any of various tall plants of the genus Alcea; native to the Middle East but widely naturalized and cultivated for its very large variously colored flowers | - |
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| (noun) any of various plants of the genus Althaea; similar to but having smaller flowers than genus Alcea | Synonyms: althaea, althea |
| shock | (noun) a reflex response to the passage of electric current through the body | Synonyms: electric shock, electrical shock |
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| (noun) the violent interaction of individuals or groups entering into combat | Synonyms: impact |
| (noun) a mechanical damper; absorbs energy of sudden impulses | Synonyms: cushion, shock absorber |
| (noun) an instance of agitation of the earth's crust | Synonyms: seismic disturbance |
| (noun) an unpleasant or disappointing surprise | Synonyms: blow |
| (noun) a sudden jarring impact | Synonyms: jar, jolt, jounce |
| (noun) the feeling of distress and disbelief that you have when something bad happens accidentally | Synonyms: daze, stupor |
| (noun) a pile of sheaves of grain set on end in a field to dry; stalks of Indian corn set up in a field | - |
| (noun) a bushy thick mass (especially hair) | - |
| (noun) (pathology) bodily collapse or near collapse caused by inadequate oxygen delivery to the cells; characterized by reduced cardiac output and rapid heartbeat and circulatory insufficiency and pallor | - |