radius bar (radius bar)

In a steam-engine, one of a pair of rods pivoted at one end and connected at the other with some concentrically moving part which it is nece ary to keep at a definite distance from the pivot or center. Also called radius - rod and bridle -rod. See cuts under gra hopper - beam and paddle -wheel. radius-saw (ra'di-us-sa), n. A circular saw journaled at the end of a swinging frame or radial shaft, used in cro -cutting timber. radix (rāʼdiks), n.; pl. radices (ra-dī'sēz). [ Her wit is all spirit, that spirit fire, that fire flies from her tongue, able to burne the radix of the best invention; in this element she is the abstract and briefe of all the eloquence since the incarnation of Tully. Heywood, Fair Maid of the Exchange (Works, 1874, II. 54). Judaism is the radix of Christianity-Christianity the integration of Judaism. De Quincey, E enes, iii. 3. In etym., a primitive word or form from which spring other words; a radical; a root.-4. In math., a root. (a) Any number which is arbitrarily made the fundamental number or base of any system of numbers, to be raised to different powers. Thus, 10 is the radix of the decimal system of numeration (Briggs's). In the common system of logarithms, the radix is also 10; in the Napierian it is 2.7182818284; every other number is considered as some power of the radix, the exponent of which power constitutes the logarithm of that number. (b) The root of a finite expre ion from which a series is derived. IMG:content-1558.png:[blocks in formation] radlyt, adv . See rathly. radne t (rad'nes), n. [ME., rad1 + -ne .] Fear; fright; terror. The Romaynes for radne e ruschte to the erthe, Fforde ferdne e of hys face, as they fey were. Morte Arthure (E. E. T. S.), 1. 120.