rub

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rub

 [rub]
1. to move something over a surface with friction.
2. the action of such movement.
friction rub an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub; called also rub.
pericardial rub (pericardial friction rub) a scraping or grating noise heard with the heart beat, usually a to-and-fro sound, associated with an inflamed pericardium. Patients often complain of pleuritic discomfort that radiates in the chest, especially during inhalation. This condition must be distinguished from angina pectoris.
pleural rub (pleuritic rub) a friction rub caused by friction between the visceral and costal pleurae.

rub

(rŭb),
Friction encountered in moving one body in contact with another.

rub

(rub)
1. to move something over a surface with friction.
2. the action of such movement.

friction rub  an auscultatory sound caused by the rubbing together of two serous surfaces, as in pericardial rub.
pericardial rub , pericardial friction rub a scraping or grating friction rub heard with the heart beat, usually a to-and-fro sound, associated with pericarditis or other pathological condition of the pericardium.
pleural rub , pleuritic rub a friction rub caused by friction between the visceral and costal pleurae.

rub

Etymology: ME, rubben, to scrape
the movement of one surface moving over another, thereby producing friction, as when pleural membranes produce friction rub.

rub

See Friction rub.

rub

(rŭb)
Friction encountered in moving one body part over another.

rub

friction rub, an auscultatory sound caused by the rubbing together of two serous surfaces.

pericardial rub
a scraping or grating noise heard with the heartbeat, usually a to-and-fro sound, associated with an inflamed pericardium.
pleural rub, pleuritic rub
a rub produced by friction between the visceral and costal pleurae.

Patient discussion about rub

Q. Im only 17 I have horrble lower back pains. Im constitly rubbing,stretching, or cracking my back. the pain is either a throbbing pain or an ache or sting.I feel it worse when I put my chest out my shoulders back. my back feels like its out of place.

A. Lower back pain is so very common... I have had it for years, and just recently what I found to be very helpful is walking. Even a 30-45 minute walk and then some streching is good. I have hardly had any pain since I started exercising and it feels really good. Swimming is also known to help.

More discussions about rub
References in classic literature ?
I got an old tin lamp and an iron ring, and went out in the woods and rubbed and rubbed till I sweat like an Injun, calculating to build a palace and sell it; but it warn't no use, none of the genies come.
Terror made me cruel; and, finding it useless to attempt shaking the creature off, I pulled its wrist on to the broken pane, and rubbed it to and fro till the blood ran down and soaked the bedclothes: still it wailed, 'Let me in
He lived alone, and, so to speak, outside of every social relation; and as he knew that in this world account must be taken of friction, and that friction retards, he never rubbed against anybody.
And so saying, Planchet rubbed his hands one against the other with a rapidity evincing great delight.
And when the baker had rubbed his feet over, he ran to the miller and said:
cried the Wizard, joyfully, and at once rubbed a leaf upon the soles of Dorothy's shoes and then upon his own.
Whereupon the cub covered its fangs, and sank down submissively, while the hand, returning, rubbed behind his ears, and up and down his back.
Alec had her on the sofa rolled up in the bear-skin coat, with Phebe rubbing her cold feet while he rubbed the aching hands, and Aunt Plenty made a comfortable hot drink, and Aunt Peace sent down her own foot-warmer and embroidered blanket "for the dear.
With the other mittened hand he rubbed his cheeks and nose.
She rubbed another against the wall: it burned brightly, and where the light fell on the wall, there the wall became transparent like a veil, so that she could see into the room.
It gave my eyes a blurring sensation, and I rubbed them and looked again.
But from time to time he rubbed his high forehead and shook his head, as though to drive away something.