| ORE | oil retention enema |
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| pitch-ore | <chemical> Pitchblende. Source: Websters Dictionary (01 Mar 1998) |
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| ore | 1. The native form of a metal, whether free and uncombined, as gold, copper, etc, or combined, as iron, lead, etc. Usually the ores contain the metals combined with oxygen, sulphur, arsenic, etc. (called mineralizers). 2. <chemical> A native metal or its compound with the rock in which it occurs, after it has been picked over to throw out what is worthless. 3. Metal; as, the liquid ore. Ore hearth, a low furnace in which rich lead ore is reduced; also called Scotch hearth. Origin: AS. Ra; cf. Ar brass, bronze, akin to OHG. R, G. Ehern brazen, Icel. Eir brass, Goth. Ais, L. Aes, Skr. Ayas iron. 210. Cf. Ora, Era. Source: Websters Dictionary (01 Mar 1998) |
| cogwheel ocular movements | Loose, jerky ocular rotations replacing smooth following rotations. (05 Mar 2000) |
| cogwheel phenomenon | A sudden brief halt in usually smooth respiration or other motor activity. Synonym: Negro's phenomenon. (05 Mar 2000) |
| cogwheel respiration | The inspiratory sound being broken into two or three by silent intervals. Synonym: interrupted respiration, jerky respiration. (05 Mar 2000) |
| cogwheel rigidity | <clinical sign, neurology> A type of rigidity seen in parkinsonism in which the muscles respond with cogwheel-like jerks to the use of constant force in bending the limb. (21 Jun 2000) |
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