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2 : royal persons

3 : a share of a product or profit (as of a mine or oil well) claimed by the owner for allowing another person to use the property

4 : a payment made to an author or composer for each copy of a work sold or to an inventor for each article sold under a patent

RP abbreviation 1 relief pitcher

2 Republic of the Philippines

rpm abbreviation revolutions per minute

rps abbreviation revolutions per second

rpt abbreviation 1 repeat

2 report

RR abbreviation 1 railroad

2 rural route

RS abbreviation 1 recording secretary

2 revised statutes

3 Royal Society

RSV abbreviation Revised Standard Version

RSVP abbreviation [ORIGIN: F répondez s'il vous plaît]

please reply

rt abbreviation 1 right

2 route

RT abbreviation round-trip

rte abbreviation route

Ru symbol ruthenium

1rub verb rubbed; rub·bing 1 : to use pressure and friction on a body or object

2 : to fret or chafe with friction

3 : to scour, polish, erase, or smear by pressure and friction

Synonyms

[2] abrade, chafe, erode, fray, fret, gall, wear—more at ABRADE

[3] buff, file, grind, hone, rasp, sand—more at GRIND

[3] buff, burnish, dress, gloss, grind, polish, shine, smooth—more at POLISH

2rub noun 1 : DIFFICULTY, OBSTRUCTION

2 : something grating to the feelings

1rubber noun 1 : one that rubs

2 : ERASER

3 : a flexible waterproof elastic substance made from the milky juice of various tropical plants or made synthetically; also : something made of this material

4 : CONDOM

— rubber adjective

— rub·ber·ize verb

2rubber noun 1 : a contest that consists of an odd number of games and is won by the side that takes a majority

2 : an extra game played to decide a tie

1rubberneck noun 1 : an idly or overly inquisitive person

2 : a person on a guided tour

2rubberneck verb : to look about, stare, or listen with excessive curiosity

— rub·ber·neck·er noun

Synonyms

gape, gawk, gaze, goggle, peer, stare—more at GAPE

rub·bery adjective : resembling rubber (as in elasticity, consistency, or texture)

Synonyms

elastic, flexible, resilient, springy, stretch, supple—more at ELASTIC

rub·bish noun 1 : useless waste or rejected matter : TRASH

2 : something worthless or nonsensical

Synonyms

chaff, deadwood, dust, garbage, junk, litter, refuse, riffraff, scrap, trash, waste—more at GARBAGE

rub·ble noun : broken fragments esp. of a destroyed building

Synonyms

debris, remains, residue, ruins, wreck, wreckage—more at REMAINS

ru·bel·la noun : GERMAN MEASLES

ru·bi·cund adjective : having a healthy reddish color : RED, RUDDY

ru·bid·i·um noun : a soft silvery metallic chemical element

ru·ble noun : the basic monetary unit of Russia

rub out verb : to destroy completely

Synonyms

annihilate, blot out, demolish, eradicate, exterminate, liquidate, obliterate, root, snuff, stamp, wipe out—more at ANNIHILATE

ru·bric noun [ORIGIN: ME rubrike red ocher, heading in red letters of part of a book, fr. AF, fr. L rubrica, fr. ruber red]

1 : a heading of a part of a book or manuscript

2 : a rule esp. for the conduct of a religious service

ru·by noun, plural rubies : a clear red precious stone

— ruby adjective

ru·by–throat·ed hummingbird noun : a bright green and whitish hummingbird of eastern No. America with a red throat in the male

ruck·us noun : a noisy disturbance or quarrel : ROW

rud·der noun : a movable flat piece attached at the rear of a ship or aircraft for steering

rud·dy adjective rud·di·er; -est 1 : REDDISH

2 : of a healthy reddish complexion

— rud·di·ness noun

Synonyms

florid, flush, glowing, rosy, sanguine; also bronzed, brown, tanned; flushed, pink, pinkish, warm; cherubic

rude adjective rud·er; rud·est 1 : roughly made : CRUDE

2 : not developed : PRIMITIVE

3 : lacking refinement or delicacy

4 : marked by or suggestive of lack of training or skill : UNSKILLED

5 : not being in a cultural or civilized state

— rude·ly adverb

Synonyms

[1] artless, clumsy, crude, rough,