Metal

 

 

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Metal

 

Engineering design glossary of terms

Design terms

 

Definition of metal

 

Metal: An opaque lustrous elemental chemical substance that is a good conductor of heat and electricity and, when polished, a good reflector of light- most elemental metals are malleable, ductile, and are generally denser than the other elemental substances- metals are structurally distinguished from nonmetals by their atomic bonding and electron availability- the electron band structure of metals is characterized by a partially filled valence band- the "free electrons" lost from the outer shells of metallic atoms are available to carry an electric current- the defining property of a metal is that it is an element with a positive thermal coefficient of resistively, meaning the electrical resistively of a metal continuously increases as temperature increases. (0).

 

Source : http://teachers.greenville.k12.sc.us/sites/cbeyerle/Shared%20Documents/Intro%20To%20Engineering%20Design%20Glossary%20of%20Terms.doc

link: http://teachers.greenville.k12.sc.us/

Author : not indicated on the source document of the above text

 

Others sources:

Webster’s Dictionary (www.Webster.com)
Metals Aerospace International, Alloy and Metal Terminology (http://www.metal-mart.com/Dictionary/)
Chemistry Dictionary (http://www.netaccess.on.ca/~dbc/cic_hamilton/dictionary/)
Dictionary of Composite Materials Technology, online version of Technomic Publishing's Dictionary of Composite Materials Technology by Stuart Lee, (http://composite.about.com/library/glossary/)
Materials Science and Engineering Glossary of Terms, http://glossary.justinmc.com
Academic Press Dictionary of Science and Technology (www.harcourt.com/dictionary)
Salvadori Center: Education on the Built Environment, Glossary (www.salvadori.org/glossary_detail.asp?TermID=7)
Amco Plastic Materials INC., Plastic Terms (www.amco.ws/glossary/b.asp)
HyperPhysics Concepts: Free body diagrams. (http://hyperphysics.phy-astr.gsu.edu/hbase/hph.html)
Physics Classroom (http://www.glenbrook.k12.il.us/gbssci/phys/Class/energy/u5l1d.html)
Dictionary of Physics, (http://physics.about.com/library/dict/blglossary.htm)

 

 

Engineering design glossary of terms

 

Engineering design glossary index of terms

 

 

Definition and meaning of metal

 

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