Butyl
ahd-5
adjective.
Relating to or being a hydrocarbon unit, C
4
H
9
, that can occur as a substituent in an organic compound or as an ion or radical.
The Century Dictionary and Cyclopedia
noun.
A hydrocarbon alcohol radical having the composition C
4
H
9
. It cannot be isolated, and occurs only in combination with other radicals.
the GNU version of the Collaborative International Dictionary of English
noun.
A compound radical, regarded as butane, less one atom of hydrogen.
Wiktionary, Creative Commons Attribution/Share-Alike License
noun.
Either of four
isomeric
univalent
hydrocarbon
radicals, C4H9, formally derived from
butane
by the loss of a
hydrogen
atom.
noun.
A
synthetic
rubber
made by the
polymerization
of
isobutylene
.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
a hydrocarbon radical (C4H9)