crust over

  • 51scab — [13] Old English had a word sceabb ‘scab’. This survived into modern English as shab, a dialectal synonym of scab, but it is only represented in the mainstream language by its derivative shabby. It is its Old Norse relative skabbr, borrowed in… …

    The Hutchinson dictionary of word origins

  • 52chickenpox — n. a highly infectious disease caused by a herpesvirus (the varicella zoster virus) that is transmitted by airborne droplets. After an incubation period of 11–18 days a mild fever develops, followed after about 24 hours by an itchy rash of red… …

    The new mediacal dictionary

  • 53scab — [13] Old English had a word sceabb ‘scab’. This survived into modern English as shab, a dialectal synonym of scab, but it is only represented in the mainstream language by its derivative shabby. It is its Old Norse relative skabbr, borrowed in… …

    Word origins

  • 54Crusted — Crust Crust, v. t. [imp. & p. p. {Crusted}; p. pr. & vb. n. {Crusting}.] [Cf. OF. crouster, L. crustare. See {Crust}, n. ] To cover with a crust; to cover or line with an incrustation; to incrust. [1913 Webster] The whole body is crusted over… …

    The Collaborative International Dictionary of English

  • 55Crusting — Crust Crust, v. t. [imp. & p. p. {Crusted}; p. pr. & vb. n. {Crusting}.] [Cf. OF. crouster, L. crustare. See {Crust}, n. ] To cover with a crust; to cover or line with an incrustation; to incrust. [1913 Webster] The whole body is crusted over… …

    The Collaborative International Dictionary of English

  • 56Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …

    Universalium

  • 57plate tectonics — plate tectonic, adj. Geol. a theory of global tectonics in which the lithosphere is divided into a number of crustal plates, each of which moves on the plastic asthenosphere more or less independently to collide with, slide under, or move past… …

    Universalium

  • 58geology — /jee ol euh jee/, n., pl. geologies. 1. the science that deals with the dynamics and physical history of the earth, the rocks of which it is composed, and the physical, chemical, and biological changes that the earth has undergone or is… …

    Universalium

  • 59chemical element — Introduction also called  element,         any substance that cannot be decomposed into simpler substances by ordinary chemical processes. Elements are the fundamental materials of which all matter is composed.       This article considers the… …

    Universalium

  • 60Earth — This article is about the planet. For other uses, see Earth (disambiguation). Earth   …

    Wikipedia