Definitions

1. noun

A radical of butane or butylene; a butyl group.

“The butyl radical is an important component in many chemical reactions.”

2. adjective

Of or relating to butyl or butylene; especially butyl alcohol or butyl compounds.

“Butyl-based solvents are often used in industrial processes.”

3. adverb

In a butyl manner; especially in reference to butyl compounds or their reactions.

“The chemical reaction proceeded in a butyl manner, producing the desired compound.”