[ ih-las-tuh-mer ]
/ ɪˈlæs tə mər /

noun Chemistry.

an elastic substance occurring naturally, as natural rubber, or produced synthetically, as butyl rubber or neoprene.

Origin of elastomer

1935–40; elast(ic) + -o- + Greek méros a part

Related forms

e·las·to·mer·ic [ih-las-tuh-mer-ik] /ɪˌlæs təˈmɛr ɪk/, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for elastomer

British Dictionary definitions for elastomer


/ (ɪˈlæstəmə) /


any material, such as natural or synthetic rubber, that is able to resume its original shape when a deforming force is removed

Derived Forms

elastomeric (ɪˌlæstəˈmɛrɪk), adjective

Word Origin for elastomer

C20: from elastic + -mer
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012