That which burns by refraction, as a double convex lens, or the sun's rays concentrated by such a lens, sometimes used as a cautery.

A plaster originally composed of the juices of several plants (whence its name), but now made of an oxide of lead and oil, and consisting essentially of glycerin mixed with lead salts of the fat acids.

Divalent; -- said of a base or radical as capable of saturating two acid monad radicals or a dibasic acid. Cf. Dibasic, a., and Biacid.

A sirup made of poppies.

Of or pertaining to a deacon.

Governed by deacons.

Tmesis.

Pertaining to the science or doctrine of refracted sounds.

That branch of natural philosophy which treats of the properties of sound as affected by passing through different mediums; -- called also diaphonics. See the Note under Acoustics.

That separates or distinguishes; -- applied to points or marks used to distinguish letters of similar form, or different sounds of the same letter, as, /, /, /, /, /, etc.

Capable of transmitting the chemical or actinic rays of light; as, diactinic media.

A Linn/an class of plants whose stamens are united into two bodies or bundles by their filaments.

Of or pertaining to the class Diadelphia; having the stamens united into two bodies by their filaments (said of a plant or flower); grouped into two bundles or sets by coalescence of the filaments (said of stamens).

To adorn with a diadem; to crown.

A complete course or vibration; time of vibration, as of a pendulum.

Caustic.

Relating to, or exhibiting, diageotropism.

The tendency of organs (as roots) of plants to assume a position oblique or transverse to a direction towards the center of the earth.

An intaglio.

Represented or formed by depressions in the general surface; as, diaglyphic sculpture or engraving; -- opposed to anaglyphic.

To ascertain by diagnosis; to diagnosticate. See Diagnosticate.

the act or process of identifying the nature or cause of some phenomenon.

The art or act of recognizing the presence of disease from its signs or symptoms, and deciding as to its character; also, the decision arrived at.

The mark or symptom by which one disease is known or distinguished from others.

To make a diagnosis of; to recognize by its symptoms, as a disease.

That part of medicine which has to do with ascertaining the nature of diseases by means of their symptoms or signs.

A sort of electroscope, invented by Rousseau, in which the dry pile is employed to measure the amount of electricity transmitted by different bodies, or to determine their conducting power.

A right line drawn from one angle to another not adjacent, of a figure of four or more sides, and dividing it into two parts.

able to be diagonalized; -- of a matrix.

to transform a matrix to a diagonal matrix.

In a diagonal direction.

Diagonal; diametrical; hence; diametrically opposed.

To put into the form of a diagram.

Pertaining to, or of the nature of, a diagram; showing by diagram.

A drawing instrument, combining a protractor and scale.

Descriptive.

The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.

Relating or, or manifesting, diaheliotropism.

A tendency of leaves or other organs of plants to have their dorsal surface faced towards the rays of light.

To measure with a dial.

Means or mode of expressing thoughts; language; tongue; form of speech.

Relating to a dialect; dialectical; as, a dialectical variant.

Same as Dialectics.

Pertaining to dialectics; logical; argumental.

In a dialectical manner.

One versed in dialectics; a logician; a reasoner.

That branch of logic which teaches the rules and modes of reasoning; the application of logical principles to discursive reasoning; the science or art of discriminating truth from error; logical discussion.

That branch of philology which is devoted to the consideration of dialects.

One skilled in dialectics.

The art of constructing dials; the science which treats of measuring time by dials.

A maker of dials; one skilled in dialing.

A dark green or bronze-colored laminated variety of pyroxene, common in certain igneous rocks.

Meeting and intersecting, as lines; not parallel; -- opposed to parallel.

A volatile, pungent, liquid hydrocarbon, C6H10, consisting of two allyl radicals.

Relating to a dialogue; dialogistical.

In the manner or nature of a dialogue.

An imaginary speech or discussion between two or more; dialogue.

A speaker in a dialogue.

Pertaining to a dialogue; having the form or nature of a dialogue.

Native carbonate of manganese; rhodochrosite.

To express as in dialogue.

Having separate petals; polypetalous.

Di/resis. See Di/resis, 1.

Having the quality of unloosing or separating.

The material subjected to dialysis.

The act or process of dialysis.

To separate, prepare, or obtain, by dialysis or osmose; to pass through an animal membrane; to subject to dialysis.

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

The instrument or medium used to effect chemical dialysis.

A body having diamagnetic polarity.

Any substance, as bismuth, glass, phosphorous, etc., which in a field of magnetic force is differently affected from the ordinary magnetic bodies, as iron; that is, which tends to take a position at right angles to the lines of magnetic force, and is repelled by either pole of the magnet. Contrasted with paramagnetic and ferromagnetic.

In the manner of, or according to, diamagnetism.

The science which treats of diamagnetic phenomena, and of the properties of diamagnetic bodies.

Yielding diamonds.

Adamantine.

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. A diametral plane.

A diameter.

Diametrically.

Of or pertaining to a diameter.

In a diametrical manner; directly; as, diametrically opposite.

Any compound containing two amido groups united with one or more acid or negative radicals, -- as distinguished from a diamine. Cf. Amido acid, under Amido, and Acid amide, under Amide.

A prefix or combining form of Diamine.

A compound containing two amido groups united with one or more basic or positive radicals, -- as contrasted with a diamide.

Resembling a diamond; made of, or abounding in, diamonds; as, a diamond chain; a diamond field.

The salt-marsh terrapin of the Atlantic coast (Malacoclemmys palustris).

Shaped like a diamond or rhombus.

Having figures like a diamond or lozenge.

To set with diamonds; to adorn; to enrich.

A liquid hydrocarbon, C10H20, of the ethylene series, regarded as a polymeric form of amylene.

Diana.

The daughter of Jupiter and Latona; a virgin goddess who presided over hunting, chastity, and marriage; -- identified with the Greek goddess Artemis.

A Linn/an class of plants having two stamens.

Diandrous.

Of or pertaining to the class Diandria; having two stamens.

Same as Columbium.

Pertaining to the discursive faculty, its acts or products.

The science of the dianoetic faculties, and their operations.

A genus of plants containing some of the most popular of cultivated flowers, including the pink, carnation, and Sweet William.

Same as Diapason.

Powdered aromatic herbs, sometimes made into little balls and strung together.

The octave, or interval which includes all the tones of the diatonic scale. Compare disdiapason.

The passage of the corpuscular elements of the blood from the blood vessels into the surrounding tissues, without rupture of the walls of the blood vessels.

a natural family of northern temperate low evergreen plants; in some classifications placed in its own order Diapensiales.

an order of plants, used in some classifications as coextensive with the family Diapensiaceae.

The interval of the fifth.

To draw flowers or figures, as upon cloth.

Same as Diaper, n., 2.

A woven silk stuff with transparent and colored figures; diaper work.

Transparent or translucent.

The quality of being diaphanous; transparency; pellucidness.

Having power to transmit light; transparent; diaphanous.

The art of imitating stained glass with translucent paper.

An instrument for measuring the transparency of the air.

A dark box constructed for viewing transparent pictures, with or without a lens.

A colored photograph produced by superimposing a translucent colored positive over a strong uncolored one.

Allowing light to pass through, as porcelain; translucent or transparent; pellucid; clear.

Translucently.

Relating to the measurement of the tactile sensibility of parts; as, diaphemetric compasses.

Diacoustic.

The doctrine of refracted sound; diacoustics.