ex·o·er·gic 
(ĕk′sō-ûrjĭk)
(ĕk′sō-ûrjĭk)adj.
Exergonic.
[EXO- + Greek ergon, work; see werg- in the Appendix of Indo-European roots + -IC.]
- light bulb
- light chain
- light-emitting diode
- lighten
- lighten
- lighten up
- lighter
- lighter
- lighterage
- lighter-than-air
- lightface
- lightfaced
- light-fingered
- light-fingeredness
- lightfoot
- light-footed
- light-footedly
- light-footedness
- light-handed
- light-handedly
- light-handedness
- lightheaded
- lightheadedly
- lightheadedness
- lighthearted