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To subject to such reactions or processes that diazo compounds, or their derivatives, shall be produced by chemical exchange or substitution.

A cutting in two; a division. A general breach or dichotomy with their church. Sir T. Browne.

A book containing the words of a language, arranged alphabetically, with explanations of their meanings; a lexicon; a vocabulary; a wordbook. I applied myself to the perusal of our writers; and noting whatever might be of use to ascertain or illustrate any word or phrase, accumulated in time the materials of a dictiona…

rder of worms parasitic in cephalopods. They are remarkable for the extreme simplicity of their structure. The embryo exists in two forms.

eak, as in turtles, and in the genus Dicynodon, supporting also a pair of powerful tusks. Their remains are found in triassic strata of South Africa and India.

fore went I with the constable, leaving the old warden and the young constable to compose their difference as they could. T. Ellwood.

, 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 differential motion. -- Differential motion, a mechanism in which a simple differential…

nting confidence in others; distrustful. [Archaic] You were always extremely diffident of their success. Melmoth.

In a diffident manner. To stand diffidently against each other with their thoughts in battle array. Hobbes.

To thrust; to poke. [Colloq.] You should have seen children . . . dig and push their mothers under the sides, saying thus to them: Look, mother, how great a lubber doth yet wear pearls. Robynson (More's Utopia). To dig down, to undermine and cause to fall by digging; as, to dig down a wall. -- To dig from, out of, out…

ion of Trematoda in which alternate generations occur, the immediate young not resembling their parents.

A degraded tribe of California Indians; -- so called from their practice of digging roots for food.

partially ruined, or squandered. Tell the people that are relived by the dilapidation of their public estate. Burke.

argely and copiously; to dwell in narration; to enlarge; -- with on or upon. But still on their ancient joys dilate. Crabbe.

e thinner or more liquid by admixture with something; to thin and dissolve by mixing. Mix their watery store. With the chyle's current, and dilute it more. Blackmore.

y or dignity of; to put down; to degrade; to abase; to weaken. This doth nothing diminish their opinion. Robynson (More's Utopia). I will diminish them, that they shall no more rule over the nations. Ezek. xxix. 15. O thou . . . at whose sight all the stars Hide their diminished heads. Milton.

der of extinct mesozoic reptiles, mostly of large size (whence the name). Notwithstanding their size, they present birdlike characters in the skeleton, esp. in the pelvis and hind limbs. Some walked on their three-toed hind feet, thus producing the large "bird tracks," so-called, of mesozoic sandstones; others were fiv…

aw again. The priest shall dip his finger in the blood. Lev. iv. 6. [Wat'ry fowl] now dip their pinions in the briny deep. Pope. While the prime swallow dips his wing. Tennyson.

glass disposed in the form of a prism, so that, by the reflections of the sun's rays from their surfaces, two images are presented to the eye, moving in opposite directions, and coinciding at the instant the sun's center is on the meridian.

The science of diplomas, or the art of deciphering ancient writings, and determining their age, authenticity, etc.; paleography.