Dictionary: HY'A-LINE – HY-DRO-BROM'IC

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HY'A-LINE, a. [Gr. ὑαλινος, from ὑαλος, glass.]

Glassy; resembling glass; consisting of glass. Milton.

HY'A-LITE, n. [Gr. ὑαλος.]

Müller's glass. It consists chiefly of silex, and is white, sometimes with a shade of yellow, blue, or green. Cleaveland.

HY'A-LOID, a. [Gr. υαλος and ειδος.]

A term applied to transparent membranes, especially that which invests the vitreous humor of the eye.




Mongrel; produced from the mixture of two species.

HYB'RID, n. [Gr. ὑβρις, injury, force, rape; L. hybrida.]

A mongrel or mule; an animal or plant, produced from the mixture of two species. Lee. Martyn.


State of being the offspring of two species.


In law, a tax on lands, at a certain rate by the hyde. Blackstone.

HY'DA-TID, or HY'DA-TIS, n. [Gr. υδατις, from υδωρ, water.]

A little transparent vesicle or bladder filled with water, on any part of the body, as in dropsy. Quincy. Darwin. Hydatids are certain spherical bodies, found occasionally in man, as well as in other animals, lodged in or adhering to the different viscera. Some of them, at least, are considered as possessing an independent vitality, and as constituting a distinct animal, allied to the æni or tape-worm. They consist of a head, neck, and vesicular body filled with a transparent fluid. Cyc. Parr.

HY'DRA, n. [L. hydra; Gr. υδρα, from υδωρ, water.]

  1. A water serpent. In fabulous history, a serpent or monster in the lake or marsh of Lerna, in Peloponnesus; represented as having many heads, one of which, being cut off, was immediately succeeded by another, unless the wound was cauterized. Hercules killed this monster by applying firebrands to the wounds, as he cut off the heads. Hence we give the name to a multitude of evils, or to a cause of multifarious evils.
  2. A technical name of a genus of Zoophytes, popularly called polypus, or polypuses.
  3. A southern constellation, containing sixty stars. Cyc.

HY-DRAC'ID, n. [Gr. υδωρ, water, and acid.]

An acid whose base is hydrogen.

HY'DRA-GOGUE, n. [hy'dragog; Gr. υδραγωγος, υδωρ, water, and αγωγη, a leading or drawing, from αγω, to lead or drive.]

A medicine that occasions a discharge of watery humors. In general, the stronger cathartics are hydragogues. Quincy. Encyc.

HY-DRAN'GE-A, n. [Gr. υδωρ, water, and αγγειον, a vessel.]

  1. A plant which grows in the water, and bears a beautiful flower. Its capsule has been compared to a cup. De Theis, Gloss. Botan.
  2. The name of a genus of plants.

HY'DRANT, n. [Gr. υδραινω, to irrigate, from υδωρ, water.]

A pipe or machine with suitable valves and a spout by which water is raised and discharged from the main conduit of an aqueduct.

HY-DRAR'GIL-LITE, n. [Gr. υδωρ, water, and αργιλλος, clay.]

A mineral, called also Wavellite.

HY-DRAR'GY-RUM, n. [Gr. υδωρ, and αργυριον.]

Quick silver.

HY'DRATE, n. [Gr. υδωρ, water.]

In chimistry, a compound, in definite proportions, of a metallic oxyd with water. Ure. A hydrate is a substance which has formed so intimate a union with water as to solidify it, and render it a component part. Slaked lime is a hydrate of lime. Parke.


Formed into a hydrate.

HY-DRAUL'IC, or HY-DRAUL'IC-AL, a. [Fr. hydraulique; L. hydraulicus; Gr. υδραυλις, an instrument of music played by water; υδωρ, water, and αυλος, a pipe.]

  1. Relating to the conveyance of water through pipes.
  2. Transmitting water through pipes; as, a hydraulic engine. Hydraulic lime, a species of lime that hardens in water; used for cementing under water. Journ. of Science.


The science of the motion and force of fluids, and of the construction of all kinds of instruments and machines by which the force of fluids is applied to practical purposes; a branch of hydrostatics. Hydraulics is that branch of the science of hydrodynamics which treats of fluids considered as in motion. Ed. Encyc.

HY-DREN'TE-RO-CELE, n. [Gr. υδωρ, water, εντερον, intestine, and κηλη, a tumor.]

A hernial tumor, whose contents are intestine, with the addition of water.


A salt formed by the hydriodic acid, with a base. More correctly Iodohydrate. De Claubry.

HYD-RI-OD'IC, a. [hydrogen and iodine.]

Denoting a peculiar acid, produced by the combination of hydrogen and iodine. Better Iodohydric.


Composed of hydrogen and bromine. More correctly Bromohydric.