An Etymological Dictionary of Astronomy and Astrophysics
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فرهنگ ریشه شناختی اخترشناسی-اخترفیزیک

M. Heydari-Malayeri    -    Paris Observatory

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Number of Results: 4 Search : plastic
plastic
  شوکایند   
šukâyand

Fr.: plastique   

1a) Capable of being → deformed continuously and permanently without → rupture.
1b) Capable of being molded.
1c) Made or consisting of a plastic.
2) → plastic substance.

From L. plasticus, from Gk. plastikos "that may be molded, pertaining to molding," from plassein "to mold."

Šukâyand, literally "moldable," from šuk, contraction of šuka (Dehxodâ) "a mold in which ingots are cast" + âyand agent noun form of âmadan "to come; to become," → elastic.

plastic deformation
  وادیسش ِ شوکایند   
vâdiseš-e šukâyand

Fr.: déformation plastique   

Permanent → deformation of a → solid subjected to a → stress.

plastic; → deformation.

plastic substance
  زیریست ِ شوکایند   
zirist-e šukâyand

Fr.: substance plastique   

A substance which remains → deformed after an applied → force ceases to act.

plastic; → substance.

plasticity
  شوکایندی   
šukâyandi

Fr.: plasticité   

The property which enables a material to be → deformed permanently without → rupture during the application of a → force. An → elastic material becomes plastic above its → yield point. See also → elasticity, → ductility.

plastic; → -ity.