butyl rubber

1. 1.

   synthetic rubber made by polymerizing isobutylene

   Broaderrubber

Questions about butyl rubber

What does butyl rubber mean?

butyl rubber means "synthetic rubber made by polymerizing isobutylene".

Is butyl rubber a common word?

butyl rubber is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.