hel·lion 
(hĕlyən)
(hĕlyən)n.
A mischievous, troublesome, or unruly person.
[Probably alteration (influenced by HELL) of dialectal hallion, worthless person.]
- microcopy
- microcosm
- microcosmic
- microcosmical
- microcosmically
- microcosmic salt
- microcredit
- microcrystal
- microcrystalline
- microculture
- microcyte
- microcytic
- microdensitometer
- microdermabrasion
- microdot
- microelectrode
- microelectromechanical systems
- microelement
- microencapsulate
- microencapsulation
- microenvironment
- microevolution
- microevolutionary
- microfarad
- microfauna