An Etymological Dictionary of Astronomy and Astrophysics

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.

Etymology (EN): From L. plasticus, from Gk. plastikos “that may be molded, pertaining to molding,” from plassein “to mold.”

Etymology (PE): 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.