An Etymological Dictionary of Astronomy and Astrophysics
English-French-Persian

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.

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

→ plastic; → deformation.

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

→ plastic; → substance.

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.