Defn: A sound which, by a gradual change in the position of the vocal organs, passes imperceptibly into another sound.
10. (Steam Engine) (a) Same as Guide bar, under Guide. (b) A slide valve. Slide box (Steam Engine), a steam chest. See under Steam. — Slide lathe, an engine lathe. See under Lathe. — Slide rail, a transfer table. See under Transfer. — Slide rest (Turning lathes), a contrivance for holding, moving, and guiding, the cutting tool, made to slide on ways or guides by screws or otherwise, and having compound motion. — Slide rule, a mathematical instrument consisting of two parts, one of which slides upon the other, for the mechanical performance of addition and subtraction, and, by means of logarithmic scales, of multiplication and division. — Slide valve. (a) Any valve which opens and closes a passageway by sliding over a port. (b) A particular kind of sliding valve, often used in steam engines for admitting steam to the piston and releasing it, alternately, having a cuplike cavity in its face, through which the exhaust steam passes. It is situated in the steam chest, and moved by the valve gear. It is sometimes called a D valve, — a name which is also applied to a semicylindrical pipe used as a sliding valve. In the illustration, a is the cylinder of a steam engine, in which plays the piston p; b the steam chest, receiving its supply from the pipe i, and containing the slide valve s, which is shown as admitting steam to one end of the cylinder through the port e, and opening communication between the exhaust passage f and the port c, for the release of steam from the opposite end of the cylinder.
SLIDEGROAT
Slide"groat, n.
Defn: The game of shovelboard. [Obs.]
SLIDER
Slid"er, a.
Defn: See Slidder. [Obs.] Chaucer.
SLIDER
Slid"er, n.
1. One who, or that which, slides; especially, a sliding part of an instrument or machine.
2. (Zoöl.)
Defn: The red-bellied terrapin (Pseudemys rugosa). [Local, U. S. ]
Slider pump, a form of rotary pump.