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meta·sta·ble
 metastable
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- 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. |
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