cooling contraction
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contraction */ — UK [kənˈtrækʃ(ə)n] / US noun Word forms contraction : singular contraction plural contractions 1) [countable] medical a movement of a muscle in which it becomes tighter, especially the strong painful movement of the muscles of a woman s womb that … English dictionary
contraction — con|trac|tion [ kən trækʃən ] noun * 1. ) uncount the process of becoming smaller: the contraction of cooling metal There is likely to be further contraction of the dot com sector as more firms go bankrupt. 2. ) count MEDICAL a movement of a… … Usage of the words and phrases in modern English
contraction rule — noun : a patternmaker s rule in which the divisions are made larger ( 1/96 for iron, 1/64 for brass) than standard measures to allow for contraction during cooling of the metal being cast … Useful english dictionary
Lorentz-FitzGerald contraction — /lawr euhnts fits jer euhld, lohr /, Physics. See FitzGerald contraction. [1920 25] * * * or space contraction In relativity physics, the shortening of an object along the direction of its motion relative to an observer. Dimensions in other… … Universalium
Geophysical global cooling — This article is about the obsolete theory of global cooling. For the theory positing an overall cooling of the Earth and perhaps the commencement of glaciation or even an ice age, see Global cooling. Before the concept of plate tectonics, global… … Wikipedia
quenching — GLOSSARY OF VOLCANIC TERMS The rapid cooling of magma to form glass (Batiza and White, 2000, p. 361). Fuel coolant interactions commonly lead to quenching. Abrupt quenching may cause a rapid volume decrease which leads to fragmentation of the… … Glossary of volcanic terms
industrial glass — Introduction solid material that is normally lustrous and transparent in appearance and that shows great durability under exposure to the natural elements. These three properties lustre, transparency, and durability make glass a favoured… … Universalium
Economic Affairs — ▪ 2006 Introduction In 2005 rising U.S. deficits, tight monetary policies, and higher oil prices triggered by hurricane damage in the Gulf of Mexico were moderating influences on the world economy and on U.S. stock markets, but some other… … Universalium
Casting (metalworking) — Casting iron in a sand mold In metalworking, casting involves pouring liquid metal into a mold, which contains a hollow cavity of the desired shape, and then allowing it to cool and solidify. The solidified part is also known as a casting, which… … Wikipedia
nebula — nebular, adj. /neb yeuh leuh/, n., pl. nebulae / lee , luy /, nebulas. 1. Astron. a. Also called diffuse nebula. a cloud of interstellar gas and dust. Cf. dark nebula, emission nebula, reflection nebula … Universalium
igneous rock — Any of various crystalline or glassy, noncrystalline rocks formed by the cooling and solidification of molten earth material (magma). Igneous rocks comprise one of the three principal classes of rocks, the others being metamorphic and sedimentary … Universalium
