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(Steam Engine), a pipe which conducts dry steam from a boiler. -- Dry plate (Photog.), a glass plate having a dry coating sensitive to light, upon which photographic negatives or pictures can be made, without moistening. -- Dry-plate process, the process of photographing with dry plates. -- Dry point. (Fine Arts) (a…

the intensity of the photogenic (light-producing) rays, and computing the power of object glasses.

e eye end of a telescope for measuring accurately the diameter of the image of the object glass there formed; which measurement, compared with the actual diameter of the glass, gives the magnifying power.

ll be sometimes so eager, as artists call it, that it will as little endure the hammer as glass itself. Locke.

A nonconductor of electricity, as amber, glass, resin, etc., employed to excite or accumulate electricity.

at appears at the positive pole or anode of a battery, or that is produced by friction of glass; -- called also vitreous electricity.

A variety of glass, used in ornament, to cover a surface, as of metal or pottery, and admitting of after decoration in color, or used itself for inlaying or application in varied colors.

f the verb "to be," it came to denote something sufficiently concrete to be inclosed in a glass bottle. J. S. Mill.

To produce, as figures or designs, on mental, glass, or the like, by means of lines or strokes eaten in or corroded by means of some strong acid.

f engraving by means of acid which eats away lines or surfaces left unprotected in metal, glass, or the like. See Etch, v. t.

A genus of elegant, glassy sponges, consisting of interwoven siliceous fibers, and growing in the form of a cornucopia; -- called also Venus's flower-basket.

A small oval porcelain or glass cup, having a rim curved to fit the orbit of the eye. it is used in the application of liquid remedies to eyes; -- called also eyeglass.

scope or other optical instrument, through which the image formed by the mirror or object glass is viewed. Collimating eyepiece. See under Collimate. -- Negative, or Huyghenian, eyepiece, an eyepiece consisting of two plano-convex lenses with their curved surfaces turned toward the object glass, and separated from eac…

A wire basket on the end of a rod to carry glass bottles, etc., to the annealing furnace; also, an iron rod to be thrust into the mouths of bottles, and used for the same purpose; -- calles also pontee and punty.

To form; to fashion. [Obs.] To the more mature, A glass that feated them. Shak.

A casement or window sash, closed with cloth or paper instead of glass. Weale.

The iron used for trying the melted glass to see if is fit to work, and for shaping the rings at the mouths of bottles.

Copper sulphide, used to color glass. Hebert.

Any fine, slender thread, or threadlike substance; as, a fiber of spun glass; especially, one of the slender rootlets of a plant.

To indicate by numerals; also, to compute. As through a crystal glass the figured hours are seen. Dryden.