R • FREE TRANSLATOR.ORG • Definition of R

Add this Dictionary
to your website!
See more options...

/ɑr/ Listen

noun

A unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air. Synonym: roentgen.

(physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole. Synonyms: gas constant, universal gas constant.

The 18th letter of the Roman alphabet.

The length of a line segment between the center and circumference of a circle or sphere. Synonym: radius.

See more definitions of R...

Related searches:

Share |

"R" Quotes from Famous Books

... picture show of his own, as in Ruth McEnery Stuart's The Haunted Photograph, and demonstrate a new kind of apparition. The ghost story of to-day gives you spinal sensations with a difference, as in the immortal Transferred Ghost, by Frank R. Stockton, where the suitor on the moonlit porch, attempting to tell his fair one that he dotes on her, sees the ghost of her ferocious uncle (who isn't dead!) kicking his heels against the railing, and hears his admonition that he'd better hurry up, as the live ...

— Humorous Ghost Stories • Dorothy Scarborough

... I answered, eagerly. "Please tell Monsieur Rigault to give me my passport; it seems to have been a colossal undertaking to get it." I preferred the Pascal G. to the Rascal R. ...

— In the Courts of Memory 1858-1875. • L. de Hegermann-Lindencrone

... my knowledge of this subject to Dr. G. Johnstone Stoney, F.R.S. There has been some controversy as to who originated the ingenious and instructive doctrine ...

— The Story of the Heavens • Robert Stawell Ball

... to earn, is one of badly-paid labour, entailing constant privation, and often great misery—if not worse. I have before said that William had relatives in Melbourne, and to them we determined to entrust her. Mrs. R——- was a kind-hearted and most exemplary woman; and having a very young family of her own, was well pleased at such an acquisition as the thoughtful, industrious little Jessie. Each of our party contributed a small portion of their golden earnings ...

— A Lady's Visit to the Gold Diggings of Australia in 1852-53. • Mrs. Charles (Ellen) Clacey

... stupid insular arrogance and vulgar falsehood against the greatest nation in the world. Yesterday he was heard to speak lightly of Her Royal Highness Madame the Duchess of Berri; on a former occasion he insulted the heroic Duke of Angouleme and dared to insinuate that H.R.H. the Duke of Orleans was conspiring against the august throne of the lilies. His gold is prodigated in every direction which his stupid menaces fail to frighten. By one and the other, he has won over creatures ...

— Vanity Fair • William Makepeace Thackeray

More quotes...