- containing a butyl group.
Origin of butyl
- a brand of synthetic rubber prepared by polymerization of butylene containing little butadiene, particularly useful for inner tubes of automobile tires because of its leakproof qualities.
Examples from the Web for butyl
Historical Examples of butyl
The stuff smelled like a mixture of spirits of ammonia and butyl mercaptan, but it did the job.The Highest Treason
There are also higher alcohols, that is, those having more complex chemical formulas, such as butyl alcohol.Encyclopedia of Diet
"And butyl mercaptan; I'm quite aware of that," said the Doctor quickly, to continue the tradition of omniscience.Skippy Bedelle
It has the characteristic odour of the flowers, and consists of a mixture of butyl and amyl angelates and valerates.
- (modifier) of, consisting of, or containing any of four isomeric forms of the group C 4 H 9 –butyl rubber
Word Origin for butyl
Word Origin and History for butyl
hydrocarbon radical, 1868, from butyric acid, a product of fermentation found in rancid butter, from Latin butyrum "butter" (see butter (n.)).
- A hydrocarbon radical, C4H9.
- The radical C4H9, derived from butane.