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Of or pertaining to the yolk of eggs; as, the vitelline membrane, a smooth, transparent membrane surrounding the vitellus.

One of the transparent lenslike cells in the ocelli of certain arthropods.

A genus of terrestrial gastropods, having transparent, very thin, and delicate shells, -- whence the name.

A kind of Venetian glass or glassware in which white threads are embedded in transparent glass with a lacelike or netlike effect.

tone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence.

Resembling water; thin or transparent, as a liquid; as, watery humors. The oily and watery parts of the aliment. Arbuthnot.

.), the beluga. -- White widgeon (Zoöl.), the smew. -- White wine. any wine of a clear, transparent color, bordering on white, as Madeira, sherry, Lisbon, etc.; -- distinguished from wines of a deep red color, as port and Burgundy. "White wine of Lepe." Chaucer. -- White witch, a witch or wizard whose supernatural p…

for the admission of light and air, usually closed by casements or sashes containing some transparent material, as glass, and capable of being opened and shut at pleasure. I leaped from the window of the citadel. Shak. Then to come, in spite of sorrow, And at my window bid good morrow. Milton.

of ammonia on zinc ethyl; -- called also zinc amide. -- Zinc amyle (Chem.), a colorless, transparent liquid, composed of zinc and amyle, which, when exposed to the atmosphere, emits fumes, and absorbs oxygen with rapidity. -- Zinc blende Etym: [cf. G. zinkblende] (Min.), a native zinc sulphide. See Blende, n. (a) --…

The outer transparent layer, or envelope, of the ovum. It is a more or less elastic membrane with radiating striæ, and corresponds to the cell wall of an ordinary cell. See Ovum, and Illust. of Microscope. (b) The zona radiata. -- Zona radiata Etym: [NL.] (Biol.), a radiately striated membrane situated next the yolk o…