Children's, Intermediate and Advanced Online English Dictionary & Thesaurus

Comprehensive
Dictionary Suite
Help
Help
Help
 
Advanced Dictionary        

meta·sta·ble

metastable

 
pronunciation:
me t steI bl
part of speech: adjective
definition: of or pertaining to a physical or chemical state that is stable to minor disturbances but will be disrupted by a major disturbance.
A ball at the top of a hill is metastable, and will only roll down if it is kicked hard.