met·a·sta·ble 
(mĕt′ə-stābəl)
(mĕt′ə-stābəl)adj.
Of, relating to, or being an unstable but relatively long-lived state of a chemical or physical system, as of a supersaturated solution or an excited atom.
met′a·sta·bili·ty (-stə-bĭlĭ-tē) n.
- electively
- electiveness
- elector
- electoral
- Electoral College
- electorally
- electorate
- electr-
- electr-
- Electra
- Electra complex
- electret
- electric
- electrical engineer
- electrical engineering
- electrically
- electrical storm
- electric arc
- electric blanket
- electric chair
- electric charge
- electric displacement
- electric eel
- electric eye
- electric field