Friction

stated in reference to the movement of two smooth sur faces, are equally true with regard to the rubbing parts of every machine. It is always found that the friction is greater between substances composod of the same material than between the surfaces of heterogeneous bodies. -The act of rubbing two bodies together; attrition; abrasion; con fri cation; - used in medicine as a means of exciting the vital properties of the skin. Frictional, a . That relates to, or is caused by friction. Friction-clutch, n. ( Mach .) A shell or box fixed on the end of a driving-shaft, fitted by a conical piece which slides on a feather, or raised part, at the end of another shaft, so that it can be engaged at pleasure by the cone being forced into the shell by a lever or screw. This apparatus is very useful for driving machines, the parts of which are subjected to violent strains, as the pre ure upon the clutch can be regulated so as to allow it to slide when the strain is too great to be borne safely by the machine. Frictionle , a . Having no friction. Friday, n. [A.S. frig - dæg , from Frigga , the godde of marriage, wife of Odin or Wodan, and dæg , a day; Ger. Freitag .] The sixth day of the week, formerly conse crated to the Scand in avian Venus, Friga, or Frigga, from whence it derives its name. The Dies Veneris, or day of Venus among the Romans. Fried, imp . and pp . of FRY, q. v. -p.a. Heated; agitated. Fried'berg,( freed'bairg ,) a town of Bavaria, 28 m. from Munich; pop . 2,000. Friedberg, a town of He e-Darmstadt, 15 m. N. of Frankfort-on-the-Main. A seminary for teachers is located here. Pop . abt. 5,000. Fried'berg, the name of several towns of Germany, none of them with a population of over 5,000. - High F., 20 m. from Liegnitz, in Silesia, was the scene of the de feat of the Austrians by Frederick II., in 1745. Fried ens burg, (free'denz- burg,) in Pennsylvania, a post-village of Schuylkill co., abt. 10 m. S.S.W. of Potts ville. Frie'densville, in Pennsylvania , a P. O. of Lehigh co. Fried land, ( freed'land ,) a name common to many German towns, with populations varying from 1,500 to 5,000. Fried land, a town of E. Pru ia, 36 m. S.E. of Kö nigsberg; Lat. 54° 26′ N., Lon. 21° E. It is famous for being the scene of the victory gained by Napoleon I. over the Ru ians and Pru ians on the 14th of June, 1807, which led to the peace of Tilsit. Pop . 2,500. Fried land, a town in Bohemia, on the Wittig, near the Pru ian border. It is the capital of the district or duchy of the same name, from which the famous Wal lens tein took his title of Duke of F. Pop . of town 4,400. Friend, (frend,) n. [A. S. freond , pp. of freon , to love; Ger. freund .] One joined to another by mutual goodwill and esteem; a well-wisher; an intimate a ociate or acquaintance. An attendant; a companion. - A favorer; one who is propitious; also, a favorite.-A term of salutation; a familiar compellation. One of the religious sect popularly called Quakers. -v. a. To favor; to befriend; to countenance; to support. "I know that we shall have him well to friend."-Shaks. Friend'grove, in Illinois , a post-office of Wabash co. Friendle , a. Wanting countenance or support; destitute; forlorn. Friend'lily, adv. In a friendly manner. Friendline , n. Friendly disposition; exercise of benevolence or kindne .