Silastic

S1I1L1A1S1T1I1C3

proper noun

A type of flexible, inert silicone rubber, used especially in prosthetic medicine to make devices such as shunts to control hydrocephalus, artificial heart valves and breast implants.

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Meanings

proper noun
  1. A type of flexible, inert silicone rubber, used especially in prosthetic medicine to make devices such as shunts to control hydrocephalus, artificial heart valves and breast implants.

Origin

Blend of silicone + plastic. Originally a brand name.

Full word history & related roots →

Rhymes & wordplay

Rhymes with Silastic

fantasticelasticenthusiasticstochasticdrasticthermoplasticsarcasticantineoplasticmonasticinelasticgymnasticmasticviscoelasticdynasticbombasticaplasticanaplasticiconoclasticclasticpyroclastictrophoblasticdysplasticecclesiasticorgiastic
All rhymes →
Cite this entry
APA

Silastic. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/Silastic

MLA

“Silastic.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/Silastic. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “Silastic,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/Silastic.

Source: Silastic on Wiktionary, CC BY-SA 4.0.