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is directed, or is considered to be directed; as, the object of a transitive verb. Object glass, the lens, or system of lenses, placed at the end of a telescope, microscope, etc., which is toward the object. Its office is to form an image of the object, which is then viewed by the eyepiece. Called also objective. See I…

An object glass. See under Object, n.

y passenger car made so as to facilitate seeing the scenery en route; a car open, or with glass sides, or with a kind of open balcony at the rear.

A kind of glass produced by volcanoes. It is usually of a black color, and opaque, except in thin splinters.

An optical glass that is convex on both sides. [Obs.] Hutton.

Wavy; having the surface marked by waves or slightly depressed furrows; as, ondoyant glass.

A picture taken on "milky" glass.

mblance to a ballet dancer, whence the popular name. Called also dancing girls. -- Opera glass, a short telescope with concave eye lenses of low power, usually made double, that is, with a tube and set of glasses for each eye; a lorgnette; -- so called because adapted for use at the opera, theater, etc. -- Opera hat,…

An eyeglass. [Obs.] Herbert.

Of or pertaining to vision or sight. The moon, whose orb Through optic glass the Tuscan artist views. Milton.

One who deals in optical glasses and instruments.

instrument for measuring the distance of distinct vision, mainly for the selection of eveglasses.

window. See Bay window. The beams that thro' the oriel shine Make prisms in every carven glass. Tennyson.

ls round and orient." Jer. Taylor. "Orient gems." Wordsworth. "Orient liquor in a crystal glass." Milton.

or for its correlative (as either . . . or are now used). [Obs.] Other of chalk, other of glass. Chaucer.

An instrument for measuring thickness, as of the glass of a mirror, or of paper; a pachymeter.

Especially, in modern use, the glass in one compartment of a window sash.

Literally, seeing everything; -- a term applied to eyeglasses or spectacles divided into two segments, the upper being designed for distant vision, the lower for vision of near objects.

he eye changes its position, caused by their not being exactly in the focus of the object glass. -- Stellar parallax, the annual parallax of a fixed star.

ure frame or mat of cardboard, wood, or the like, usually put between the picture and the glass, and sometimes serving for several pictures.