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A poisonous nitrogenous base (C6H10N2) obtained indirectly from oxamide as a thick transparent oil which has a strong narcotic odor, and a physiological action resembling that of atropine. It is probably related to pyridine.

Resembling pearl or pearls; clear; pure; transparent; iridescent; as, the pearly dew or flood.

Transparent and colorless rock crystal; as, Brazilian pebble; -- so called by opticians. Pebble powder, slow-burning gunpowder, in large cubical grains. -- Scotch pebble, varieties of quartz, as agate, chalcedony, etc., obtained from cavities in amygdaloid.

Transparent; clear; limpid; translucent; not opaque. "Pellucid crystal." Dr. H. More. "Pellucid streams." Wordsworth.

Pierced with a hole or holes, or with pores; having transparent dots resembling holes.

The quality or state of being transparent or translucent. [Obs.] Sir T. Browne.

Capable of being through; transparent; translucent; not opaque. [Obs.] Peacham.

ling off the lighter portions and purifying the residue. It is a yellowish, fatlike mass, transparent in thin layers, and somewhat fluorescent. It is used as a bland protective dressing, and as a substitute for fatty materials in ointments. U. S. Pharm.

An optical effect produced by a magic lantern. The figures are painted in transparent colors, and all the rest of the glass is opaque black. The screen is between the spectators and the instrument, and the figures are often made to appear as in motion, or to merge into one another.

A kind of transparent reliquary with an ornamental top.

A South American butterfly (Ithonia phono) having nearly transparent wings.

Byron. Glacial phosphoric acid. (Chem.) (a) Metaphosphoric acid in the form of glassy semitransparent masses or sticks. (b) Pure normal phosphoric acid. -- Phosphoric acid (Chem.), a white crystalline substance, H3PO4, which is the most highly oxidized acid of phosphorus, and forms an important and extensive series of…

the spiny lobsters (Palinurus and allied genera). Its body is remarkably thin, flat, and transparent; the legs are very long. Called also glass-crab, and glass-shrimp.

pineapple leaf, and perhaps from other fibrous tropical leaves. It is delicate, soft, and transparent, with a slight tinge of pale yellow.

pineapple leaf, and perhaps from other fibrous tropical leaves. It is delicate, soft, and transparent, with a slight tinge of pale yellow.

A colorless transparent mineral, resembling quartz, occurring with castor or castorite on the island of Elba. It is a silicate of alumina and cæsia. Called also pollux.

roiderers, lace makers, etc. Pounce box, a box for sprinkling pounce. -- Pounce paper, a transparent paper for tracing.

To take (a copy, a positive picture, etc.), from a negative, a transparent drawing, or the like, by the action of light upon a sensitized surface. Printed goods, textile fabrics printed in patterns, especially cotton cloths, or calicoes.

A transparent body, with usually three rectangular plane faces or sides, and two equal and parallel triangular ends or bases; -- used in experiments on refraction, dispersion, etc.

A transparent body found in the chromatophores of certain Infusoria.