earth

earth
1. Soil; the soft material of the land, as opposed to rock and sand. 2. An easily pulverized mineral. 3. An insoluble oxide of aluminum or of certain other elements characterized by a high melting point. [A.S. eorthe]
- alkaline earths alkaline e. elements, under element.
- diatomaceous e. a powder made of desiccated diatom material; used as a filtering agent, adsorbent, and abrasive in many chemical operations.
- fuller's e. 1. an amorphous variety of kaolin of varying composition, containing an aluminum magnesium silicate. The name is derived from an ancient process of cleansing or "fulling" wool to remove the oil and dirt particles with a water slurry of e. or clay. 2. a refined clay sometimes used as a dusting powder or applied moistened with water as a form of poultice. Currently refers to any clay that can be used for the purpose of decolorizing in oil refining. Used as decolorizer for oils and other liquids, filtering medium, filler for rubber, and in agricultural formulations. [fr. fulling, an old process of cleaning wool, with e. or clay]
- rare earths lanthanides.

* * *

(ərth) the soil and other pulverulent substances forming the ground. any amorphous, easily pulverizable mineral.

Medical dictionary. 2011.

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  • Earth — ([ e]rth), n. [AS. eor[eth]e; akin to OS. ertha, OFries. irthe, D. aarde, OHG. erda, G. erde, Icel. j[ o]r[eth], Sw. & Dan. jord, Goth. a[=i]r[thorn]a, OHG. ero, Gr. ?, adv., to earth, and perh. to E. ear to plow.] 1. The globe or planet which we …   The Collaborative International Dictionary of English

  • Earth — Earth, Wind Fire Saltar a navegación, búsqueda Earth, Wind Fire Información personal Origen Chicago, Illinois Información artística Género …   Wikipedia Español

  • earth — n Earth, world, universe, cosmos, macrocosm are comparable when they mean the entire area or extent of space in which man thinks of himself and of his fellow men as living and acting. Earth applies, however, only to part of what he knows by sight …   New Dictionary of Synonyms

  • earth — [ʉrth] n. [ME erthe < OE eorthe, akin to Ger erde < IE base * er > Gr era, earth, Welsh erw, field] 1. [often E ] the planet that we live on; terrestrial globe: it is the fifth largest planet of the solar system and the third in distance …   English World dictionary

  • Earth-X — Éditeur Marvel Comics Format Série limitée Date(s) de publication 1997 2000 Numéros 15 + sketchbook 4 tomes pour l édition française Scénariste(s) …   Wikipédia en Français

  • Earth X — Éditeur Marvel Comics Format série limitée Date(s) de publication 1997 2000 Numéros …   Wikipédia en Français

  • earth — ► NOUN 1) (also Earth) the planet on which we live. 2) the substance of the land surface; soil. 3) Brit. electrical connection to the ground, regarded as having zero electrical potential. 4) the underground lair of a badger or fox. 5) one of the… …   English terms dictionary

  • Earth — (engl. ‚Erde‘) bezeichnet: Earth (Band), eine Musikgruppe aus einem Subgenre des Metal einen früheren Namen der Band Black Sabbath Earth (Computerspiel), eine Computerspiel Reihe aus dem Genre der Echtzeitstrategiespiele Filme: Earth (1986),… …   Deutsch Wikipedia

  • Earth 2 — may refer to:* Earth Two, a parallel world in the DC Multiverse; the home of DC s Golden Age heroes and Earth 2 the current version. * Earth 2 (TV series), a science fiction TV series that aired in 1994 ndash;1995 * Earth 2 (album), an album by… …   Wikipedia

  • Earth — Основная информация …   Википедия

  • earth|y — «UR thee», adjective, earth|i|er, earth|i|est. 1. of earth or soil: »Potatoes have an earthy smell. 2. like earth or soil (in texture …   Useful english dictionary

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