a solid formed by the solidification of a chemical and having a highly regular atomic structure

a protective cover that protects the face of a watch

glassware made of quartz

a crystalline element used as a component in various electronic devices

colorless glass made of almost pure silica

The regular form which a substance tends to assume in solidifying, through the inherent power of cohesive attraction. It is bounded by plane surfaces, symmetrically arranged, and each species of crystal has fixed axial ratios. See Crystallization.

The material of quartz, in crystallization transparent or nearly so, and either colorless or slightly tinged with gray, or the like; -- called also rock crystal. Ornamental vessels are made of it. Cf. Smoky quartz, Pebble; also Brazilian pebble, under Brazilian.

A species of glass, more perfect in its composition and manufacture than common glass, and often cut into ornamental forms. See Flint glass.

The glass over the dial of a watch case.

Consisting of, or like, crystal; clear; transparent; lucid; pellucid; crystalline.

Clear; transparent.

Transparent quartz; a body formed by a solidifying element or compound, having symmetrical plane surfaces; a glass of superior clearness; anything transparent and clear; the glass over a watch- dial.

A superior kind of glass: ( chem.) a piece of matter which has assumed a definite geometrical form, with plane faces.

Matter which has naturally assumed a geometrical from; pure quartz; fine glass.

Of or like crystal; clear; limpid.

The solid mathematical form assumed by many minerals.

Transparent quartz; flint glass; a watch- glass.

Consisting of crystal, or like crystal. Rock crystal, transparent or colourless quartz.

An inorganic body, which, by the operation of affinity, has assumed the form of a regular solid, terminated by a certain number of plane and smooth surfaces; glass of a superior composition and manufacture; anything clear as crystal.

Anything congealed like ice with smooth surfaces; any natural body transparent or semi- transparent; a transparent substance made by fusing certain bodies together, as an alkali with flint or sand and lead; a fine kind of glass.

Consisting of crystal; clear; transparent.

" It is of no value in itself, I believe; it is nothing but a crystal. – David Elginbrod by George MacDonald

I went forth as before, I stole into her chamber, I had the fatal crystal in my hand-" " Well, well!" – Lucretia, Volume 6. by Edward Bulwer-Lytton

Who knows but that I shall be sent to help them away, and carry them, as I carried you, to the crystal sea of peace? – The Child of the Dawn by Arthur Christopher Benson

And after that she had not come into the crystal again. – The Port of Adventure by Charles Norris Williamson and Alice Muriel Williamson

When the party reached the Crystal Palace station, they proceeded up the steps to the gardens. – Archie's Mistake by G. E. Wyatt

We do not go to the green woods and crystal waters to rough it, we go to smooth it. – Woodcraft by George W. Sears

As the crystal came around again, the process was repeated. – Rip Foster in Ride the Gray Planet by Harold Leland Goodwin

" Now," said Bert, " here are our crystal fish from the deep sea!" – The Bobbsey Twins in the Country by Laura Lee Hope

Nature has but two forms, the cell and the crystal,- the crystal first, the cell last. – A Year in the Fields by John Burroughs

But the morning was perfect and the air clear as crystal, and she was going to New York, and fame and fortune were to be hers for the working. – Lucy Maud Montgomery Short Stories, 1905 to 1906 by Lucy Maud Montgomery

One sees a hundred feet down; the water is as clear as crystal. – The Sunny Side of Diplomatic Life, 1875-1912 by Lillie DeHegermann-Lindencrone

Transported with eagerness and delight, he dashed his sword through the crystal and succeeded in breaking a small opening, to which she put up her beautiful rosy mouth. – The Little Lame Prince And: The Invisible Prince; Prince Cherry; The Prince With The Nose The Frog-Prince; Clever Alice by Miss Mulock--Pseudonym of Maria Dinah Craik

The Crystal City and Captain Jack are favorite varieties in Missouri. – Success With Small Fruits by E. P. Roe

The World's Fair building, the Crystal Palace, stood a good way out. – Mark Twain, A Biography, Vol. 1, Part 1, 1835-1866 The Personal And Literary Life Of Samuel Langhorne Clemens by Albert Bigelow Paine

" No. But such a crystal might be put to other, not to say better, uses. – David Elginbrod by George MacDonald

I shall have the crystal stopper in an hour. – The Crystal Stopper by Maurice LeBlanc

A small rose- coloured lamp burning away steadily in the corner threw a warm glow over everything, and lit up the low table of green stone in the centre, on which rested a large crystal ball in a metal frame. – A Rogue by Compulsion by Victor Bridges

The crown that she had all unconsciously placed upon his head that afternoon at the little hotel at Crystal Spring was more to him than the Senator's appointment; perhaps he was selfish, but he could not bear that she who had given so much should believe that he could accept a lesser gift. – A First Family of Tasajara by Bret Harte

I don't pretend to be one of those wonderful thought- readers who, in some public calamity, see in the crystal everything they've read in the papers. – The Twelfth Hour by Ada Leverson