Part 947

Hy`a*cin"thi*an (?), a. Hyacinthine. [R.]

Hy`a*cin"thine (?), a. [L. hyacinthinus, Gr. &?;.] Belonging to the hyacinth; resembling the 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.

{ Hy"a*des (?), Hy"ads (?), } n. pl. [L. Hyades, Gr. &?;.] (Astron.) A cluster of five stars in the face of the constellation Taurus, supposed by the ancients to indicate the coming of rainy weather when they rose with the sun.

Thro' scudding drifts the rainy Hyades Vext the dim sea.

Tennyson.

Hy*Ê"na (?), n. (Zoˆl.) Same as Hyena.

||Hy*a"le*a (?), n. [NL., fr. Gr. &?; glassy, fr. "y`alos glass.] ||(Zoˆl.) A pteropod of the genus Cavolina. See Pteropoda, and ||Illustration in Appendix.

Hy`a*les"cence (?), n. [See Hyaline.] The process of becoming, or the state of being, transparent like glass.

Hy"a*line (?), a. [L. hyalinus, Gr. &?;, fr. "y`alos glass: cf. F. hyalin.] Glassy; resembling glass; consisting of glass; transparent, like crystal. "Hyaline spaces." Carpenter.

Hy"a*line, n. 1. A poetic term for the sea or the atmosphere. "The clear hyaline, the glassy sea." Milton.

Our blood runs amazed 'neath the calm hyaline.

Mrs. Browning.

2. (Biol.) The pellucid substance, present in cells in process of development, from which, according to some embryologists, the cell nucleus originates.

3. (Physiol. Chem.) The main constituent of the walls of hydatid cysts; a nitrogenous body, which, by decomposition, yields a dextrogyrate sugar, susceptible of alcoholic fermentation. Gamgee.

Hy"a*lite (?), n. [Gr. "y`alos glass: cf. F. hyalite.] (Min.) A pellucid variety of opal in globules looking like colorless gum or resin; -- called also M¸ller's glass.

Hy*al"o*graph (?), n. [Gr. "y`alos glass + graph.] An instrument for tracing designs on glass.

Hy`a*log"ra*phy (?), n. Art of writing or engraving on glass.

Hy"a*loid (?), a. [Gr. &?; glassy, transparent; "y`alos glass + &?; appearance: cf. F. hyaloÔde.] (Anat.) Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane inclosing the vitreous humor of the eye.

||Hy`a*lo*ne"ma (?), n. [NL., fr. Gr. "y`alos glass + &?; a thread.] ||(Zoˆl.) 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.

Hy*al"o*phane (?), n. [Gr. "y`alos glass + &?; to appear.] (Min.) A species of the feldspar group containing barium. See Feldspar.

||Hy`a*lo*spon"gi*a (?), n. pl. [NL., fr. Gr. "y`alos glass + &?; a ||sponge.] (Zoˆl.) An order of vitreous sponges, having glassy ||six-rayed, siliceous spicules; -- called also HexactinellinÊ.

Hy*al"o*type (?), n. [Gr. "y`alos glass + -type.] A photographic picture copied from the negative on glass; a photographic transparency. R. Hunt.

{ Hy*ber"na*cle (?), Hy"ber*nate (?), Hy`ber*na"tion (?). } See Hibernacle, Hibernate, Hibernation.

Hy*blÊ"an (?), a. [L. Hyblaeus.] Pertaining to Hybla, an ancient town of Sicily, famous for its bees.