Hyacinthine
(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. Hyades
(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. Hyæna
(Hy*æ"na) n. (Zoöl.) Same as Hyena.
Hyalea
(||Hy*a"le*a) n. [NL., fr. Gr. glassy, fr. "y`alos glass.] (Zoöl.) A pteropod of the genus Cavolina.
See Pteropoda, and Illustration in Appendix.
Hyalescence
(Hy`a*les"cence) n. [See Hyaline.] The process of becoming, or the state of being, transparent
like glass.
Hyaline
(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.
Hyaline
(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.
Hyalite
(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 Müller's glass.
Hyalograph
(Hy*al"o*graph) n. [Gr. "y`alos glass + graph.] An instrument for tracing designs on
glass.
Hyalography
(Hy`a*log"ra*phy) n. Art of writing or engraving on glass.
Hyaloid
(Hy"a*loid) a. [Gr. glassy, transparent; "y`alos glass + appearance: cf. F. hyaloïde.] (Anat.)
Resembling glass; vitriform; transparent; hyaline; as, the hyaloid membrane, a very delicate membrane
inclosing the vitreous humor of the eye.
Hyalonema
(||Hy`a*lo*ne"ma) n. [NL., fr. Gr. "y`alos glass + a thread.] (Zoöl.) 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.
Hyalophane
(Hy*al"o*phane) n. [Gr. "y`alos glass + to appear.] (Min.) A species of the feldspar group
containing barium. See Feldspar.
