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Prepared by diffusion through an animal membrane; as, dialyzed iron.

Any right line passing through the center of a figure or body, as a circle, conic section, sphere, cube, etc., and terminated by the opposite boundaries; a straight line which bisects a system of parallel chords drawn in a curve.

The entire compass of tones. Through all the compass of the notes it ran, The diapason closing full in man. Dryden.

Allowing light to pass through, as porcelain; translucent or transparent; pellucid; clear. Another cloud in the region of them, light enough to be fantastic and diaphanous. Landor.

A dividing membrane or thin partition, commonly with an opening through it.

To those Jews who, after the Exile, were scattered through the Old World, and afterwards to Jewish Christians living among heathen. Cf. James i.1.

block, commonly of hardened steel used in connection with a punch, for punching holes, as through plates, or blanks from plates, or for forming cups or capsules, as from sheet metal, by drawing.

rential galvanometer (Elec.), a galvanometer having two coils or circuits, usually equal, through which currents passing in opposite directions are measured by the difference of their effect upon the needle. -- Differential gearing, a train of toothed wheels, usually an epicyclic train, so arranged as to constitute a…

The deflection and decomposition of light in passing by the edges of opaque bodies or through narrow slits, causing the appearance of parallel bands or fringes of prismatic colors, as by the action of a grating of fine lines or bars. Remarked by Grimaldi (1665), and referred by him to a property of light which he calle…

Material which, in the process of catalysis, has diffused or passed through the separating membrane.

Capable of passing through animal membranes by osmosis.

The act of passing by osmosis through animal membranes, as in the distribution of poisons, gases, etc., through the body. Unlike absorption, diffusion may go on after death, that is, after the blood ceases to circulate.

Tendency to become diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.

To separate (the food) in its passage through the alimentary canal into the nutritive and nonnutritive elements; to prepare, by the action of the digestive juices, for conversion into blood; to convert into chyme.

To bring into a condition of decay or partial ruin, by misuse or through neglect; to destroy the fairness and good condition of; -- said of a building. If the bishop, parson, or vicar, etc., dilapidates the buildings, or cuts down the timber of the patrimony. Blackstone.

Ecclesiastical waste; impairing of church property by an incumbent, through neglect or by intention. The business of dilapidations came on between our bishop and the Archibishop of York. Strype.

ever saw The heavens so dim by day. Shak. Three sleepless nights I passed in sounding on, Through words and things, a dim and perilous way. Wordsworth.

r, the creative faculty gave to each general conception as it thrilled for the first time through the brain a phonetic expression; -- jocosely so called from the analogy of the sound of a bell induced by the stroke of the clapper.

treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.

resentation, invented by Daguerre and Bouton, in which a painting is seen from a distance through a large opening. By a combination of transparent and opaque painting, and of transmitted and reflected light, and by contrivances such as screens and shutters, much diversity of scenic effect is produced.…