isopentyl
noun
iso·pentyl
"+
: the pentyl radical (CH3)2CHCH2CH2− derived from isopentane; 3-methyl-butyl
called also isoamyl
Word History
Etymology
is- + pentyl
- for (all) practical purposes
- for (quite) some time
- for (the) want of
- for a change
- for a count of
- for a dare
- for a good purpose
- for a lark
- for a laugh
- for a loop
- for a loss
- for a rainy day
- for a song
- for a start
- for all
- for all (someone) cares
- for all cares
- for all intents and purposes
- for all one is worth
- for all one knows
- for all practical purposes
- for all someone cares
- for all someone is worth
- for all that
- for all the world