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A division of bivalve shells, including the marine mussels, in which the two adductor muscles are very unequal. See Dreissena, and Illust. under Byssus.

Of or pertaining to the Himalayas, the great mountain chain in Hindostan.

Pertaining to Himyar, an ancient king of Yemen, in Arabia, or to his successors or people; as, the Himjaritic characters, language, etc.; applied esp. to certain ancient inscriptions showing the primitive type of the oldest form of the Arabic, still spoken in Southern Arabia. Brande & C.

A field where hops are raised.

An orchard. [Obs.]

A hyacinth. [Obs.] Spenser.

A bulbous plant of the genus Hyacinthus, bearing beautiful spikes of fragrant flowers. H. orientalis is a common variety.

Hyacinthine. [R.]

Belonging to the hyacinth; resemblingthe hyacinth; in color like the hyacinth. Milton. His curling locks like hyacinthine flowers. Cowper. The hyacinthine boy, for whom Morn well might break and April bloom. Emerson.

the coming of rainy weather when they rose with the sun. Thro' scudding drifts the rainy Hyaned Vext the dim sea. Tennyson.

Same as Hyena.

A pteroid of the genus Cavolina. See Pteropoda, and Illustration in Appendix.

The process of becoming, or the state of being, transparent like glass.

Glassy; resembling glass; consisting of glass; transparent, like crystal. "Hyaline spaces." Carpenter.

A pellucid variety of opal in globules looking like colorless gum or resin; -- called also Müller's glass.

An instrument for tracing designs on glass.

Art of writing or engraving on glass.

Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane inclosing the vitreous humor of the eye.

A genus of hexactinelline sponges, having a long stem composed of very long, slender, transparent, siliceous fibres twisted together like the strands of a color. The stem of the Japanese species (H. Sieboldii), called glass-rope, has long been in use as an ornament. See Glass-rope.

A species of the feldspar group containing barium. See Feldspar.