Lexic.us

Definition of Quartz

1. Noun. Colorless glass made of almost pure silica.

2. Noun. A hard glossy mineral consisting of silicon dioxide in crystal form; present in most rocks (especially sandstone and granite); yellow sand is quartz with iron oxide impurities.

Definition of Quartz

1. n. A form of silica, or silicon dioxide (SiO₂), occurring in hexagonal crystals, which are commonly colorless and transparent, but sometimes also yellow, brown, purple, green, and of other colors; also in cryptocrystalline massive forms varying in color and degree of transparency, being sometimes opaque.

Definition of Quartz

1. Noun. (minerology) The most abundant mineral on the earth's surface, of chemical composition silicon dioxide, SiO₂. It occurs in a variety of forms, both crystalline and amorphous. Found in every environment. ¹

¹ Source: wiktionary.com

Definition of Quartz

1. a mineral [n -ES]

Medical Definition of Quartz

1. A form of silica, or silicon dioxide (SiO2), occurring in hexagonal crystals, which are commonly colourless and transparent, but sometimes also yellow, brown, purple, green, and of other colours; also in cryptocrystalline massive forms varying in colour and degree of transparency, being sometimes opaque. The crystalline varieties include: amethyst, violet; citrine and false topaz, pale yellow; rock crystal, transparent and colourless or nearly so; rose quartz, rosecoloured; smoky quartz, smoky brown. The chief crypto-crystalline varieties are: agate, a chalcedony in layers or clouded with different colours, including the onyx and sardonyx; carnelian and sard, red or flesh-coloured chalcedony; chalcedony, nearly white, and waxy in luster; chrysoprase, an apple-green chalcedony; flint, hornstone, basanite, or touchstone, brown to black in colour and compact in texture; heliotrope, green dotted with red; jasper, opaque, red yellow, or brown, coloured by iron or ferruginous clay; prase, translucent and dull leek-green. Quartz is an essential constituent of granite, and abounds in rocks of all ages. It forms the rocks quartzite (quartz rock) and sandstone, and makes most of the sand of the seashore. Origin: G. Quarz. Source: Websters Dictionary (01 Mar 1998)

Lexicographical Neighbors of Quartz

quartics quartier quartiers quartile quartiles quartine quartino quartinos quartirolo quartisect

quarto quartos quartridge quartridges quarts quartz (current term) quartz-crystal clock quartz-diorite quartz battery quartz clock

quartz clocks quartz crystal quartz halogen lamp quartz halogen lamps quartz lamp quartz mill quartz mining quartz oscillator quartz schist

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