scat·ter·brain 
(skătər-brān′)
(skătər-brān′)n.
A person regarded as flighty, thoughtless, or disorganized.
scatter·brained′ adj.
- microbubble
- microburst
- microbus
- microcalcification
- microcap
- microcapsule
- microcephalic
- microcephalous
- microcephaly
- microchemical
- microchemist
- microchemistry
- microchip
- microcircuit
- microcircuitry
- microcirculation
- microcirculatory
- microclimate
- microclimatic
- microclimatologic
- microclimatological
- microclimatology
- microcline
- micrococcal
- micrococcus