| friction rub | The sound, heard on auscultation, made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym: friction murmur, friction rub. (05 Mar 2000) |
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| pleural friction rub | Friction rub sound caused by inflammation of the pleura. Synonym: pleural friction rub, pleural rale. (05 Mar 2000) |
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| pericardial rub | A to-and-fro grating, rasping, or, rarely, creaking sound heard over the heart in some cases of pericarditis, due to rubbing of the inflamed pericardial surfaces as the heart contracts and relaxes; during normal sinus rhythm it is usually triphasic; during any rhythm it may be biphasic or uniphasic. Synonym: pericardial rub, pericardial friction rub. (05 Mar 2000) |
| rub | 1. To subject (a body) to the action of something moving over its surface with pressure and friction, especially to the action of something moving back and forth; as, to rub the flesh with the hand; to rub wood with sandpaper. "It shall be expedient, after that body is cleaned, to rub the body with a coarse linen cloth." (Sir T. Elyot) 2. To move over the surface of (a body) with pressure and friction; to graze; to chafe; as, the boat rubs the ground. 3. To cause (a body) to move with pressure and friction along a surface; as, to rub the hand over the body. "Two bones rubbed hard against one another." (Arbuthnot) 4. To spread a substance thinly over; to smear. "The smoothed plank, . . . New rubbed with balm." (Milton) 5. To scour; to burnish; to polish; to brighten; to cleanse; often with up or over; as, to rub up silver. "The whole business of our redemption is to rub over the defaced copy of the creation." (South) 6. To hinder; to cross; to thwart. "'T is the duke's pleasure, Whose disposition, all the world well knows, Will not be rubbed nor stopped." (Shak) To rub down. To clean by rubbing; to comb or curry; as, to down a horse. To reduce or remove by rubbing; as, to rub down the rough points. To rub off, to clean anything by rubbing; to separate by friction; as, to rub off rust. To rub out, to remove or separate by friction; to erase; to obliterate; as, to rub out a mark or letter; to rub out a stain. To rub up. To burnish; to polish; to clean. To excite; to awaken; to rouse to action; as, to rub up the memory. Origin: Probably of Celtic origin; cf. W. Rhwbiaw, gael. Rub. Source: Websters Dictionary (01 Mar 1998) |
| pleural rub | Friction rub sound caused by inflammation of the pleura. Synonym: pleural friction rub, pleural rale. (05 Mar 2000) |
| pleuritic rub | A friction sound produced by the rubbing together of the roughened surfaces of the costal and visceral pleurae. (05 Mar 2000) |
| pericardial friction sound | A to-and-fro grating, rasping, or, rarely, creaking sound heard over the heart in some cases of pericarditis, due to rubbing of the inflamed pericardial surfaces as the heart contracts and relaxes; during normal sinus rhythm it is usually triphasic; during any rhythm it may be biphasic or uniphasic. Synonym: pericardial rub, pericardial friction rub. (05 Mar 2000) |
| starting friction | The force that must be overcome to initiate the motion of one body relative to another because they have been resting in contact. Compare: dynamic friction. Synonym: static friction. (05 Mar 2000) |
| static friction | The force that must be overcome to initiate the motion of one body relative to another because they have been resting in contact. Compare: dynamic friction. Synonym: static friction. (05 Mar 2000) |
| dynamic friction | The force that must be overcome to maintain steady motion of one body relative to another because they remain in contact. Compare: starting friction. (05 Mar 2000) |
| friction | Surface resistance to the relative motion of one body against the rubbing, sliding, rolling, or flowing of another with which it is in contact. (12 Dec 1998) |
| friction murmur | The sound, heard on auscultation, made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym: friction murmur, friction rub. (05 Mar 2000) |
| friction sound | The sound, heard on auscultation, made by the rubbing of two opposed serous surfaces roughened by an inflammatory exudate, or, if chronic, by nonadhesive fibrosis. Synonym: friction murmur, friction rub. (05 Mar 2000) |