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A false image formed in a telescope by reflection from the surfaces of one or more lenses. Ghost moth (Zoöl.), a large European moth (Hepialus humuli); so called from the white color of the male, and the peculiar hovering flight; -- called also great swift. -- Holy Ghost, the Holy Spirit; the Paraclete; the Comforter;…

ide. It is used for window panes and mirrors, for articles of table and culinary use, for lenses, and various articles of ornament.

od corpuscles united with hæmatin to form hæmoglobin. It is also found in the crystalline lens of the eye, and in blood serum, and is sometimes called crystallin. In the plural the word is applied to a group of proteid substances such as vitellin, myosin, fibrinogen, etc., all insoluble in water, but soluble in dilute…

Having, abounding in, or decked with, daisies. [Scot.] Sweeter than gowany glens or new-mown hay. Ramsay.

optical instrument for magnifying engravings, photographs, etc., usually having one large lens and two smaller ones.

round form (Gram.), the stem or basis of a word, to which the other parts are added in declension or conjugation. It is sometimes, but not always, the same as the root. -- Ground furze (Bot.), a low slightly thorny, leguminous shrub (Ononis arvensis) of Europe and Central Asia,; -- called also rest- harrow. -- Ground…

A word which is irregular or anomalous either in declension or conjugation, or which deviates from ordinary forms of inflection in words of a like kind; especially, a noun which is irregular in declension.

A lamp with lenses or reflectors to collect the rays of light and throw them in a given direction; -- used in lighthouses.

expended on the perplexities of mine host. W. Irving. Aqueous humor, Crystalline humor or lens, Vitreous humor. (Anat.) See Eye. -- Out of humor, dissatisfied; displeased; in an unpleasant frame of mind.

The figure or picture of any object formed at the focus of a lens or mirror, by rays of light from the several points of the object symmetrically refracted or reflected to corresponding points in such focus; this may be received on a screen, a photographic plate, or the retina of the eye, and viewed directly by the eye…

, or into its shadow, as in the eclipse of a satellite; -- opposed to emersion. Immersion lens, a microscopic objective of short focal distance designed to work with a drop of liquid, as oil, between the front lens and the slide, so that this lens is practically immersed.

diaphragm, suggesting the iris of the eye in its action, for regulating the aperture of a lens, consisting of a number of thin pieces fastened to a ring. It is used in cameras and microscopes.

A lofty West African tree (Khaya Senegalensis), related to the mahogany, which it resembles in the quality of the wood. The bark is used as a febrifuge.

A West African antelope (Damalis Senegalensis), allied to the sassaby. It is reddish gray, with a black face, and a black stripe on the outside of the legs above the knees.

A small, lens-shaped gland on the under side of some leaves.

A lens of small size.

Resembling a lentil in size or form; having the form of a double-convex lens.

In the manner of a lens; with a curve.

A leguminous plant of the genus Ervum (Ervum Lens), of small size, common in the fields in Europe. Also, its seed, which is used for food on the continent.

Having the form of a lens; lens-shaped.