Share this entry

Share this page

butyl

Syllabification: bu·tyl
Pronunciation: /ˈbyo͞odl
 
/

Definition of butyl in English:

noun

[as modifier] Chemistry
1An alkyl radical —C4H9, derived from butane: butyl acetate
More example sentences
  • These may contain solvents such as toluene, isopropryl alcohol, ethyl and butyl acetates, acetone and other ketones.
  • The most durable exterior house paints are based on acrylic co-polymers of materials like methyl methacrylate and butyl acrylate.
  • These reformulated gasolines contain either corn-derived ethanol or natural-gas derivatives such as MTBE (methyl tertiary butyl ether).
1.1 short for butyl rubber.
Example sentences
  • Good ventilation, goggles, and butyl or nitrile rubber gloves are essential; work in a hood is recommended.
  • Several types of synthetic materials also may be referred to as latex (eg, butyl, petroleum-based materials) but these do not contain the proteins that cause allergic reactions.
  • Seam problems were resolved by the introduction of butyl seam tapes as a replacement for earlier liquid-applied neoprene adhesive.

Origin

mid 19th century: from butyric acid + -yl.

Definition of butyl in:

Share this entry

Share this page

 

What do you find interesting about this word or phrase?

Comments that don't adhere to our Community Guidelines may be moderated or removed.

Get more from Oxford Dictionaries

Subscribe to remove ads and access premium resources

Word of the day orthoepy
Pronunciation: ôrˈTHōəpē
noun
the correct or accepted pronunciation of words