nonvolatile
adjEtymology From non- + volatile.
1
Not volatile (in any sense).
- The chemical is nonvolatile so it will not evaporate.
- His nonvolatile demeanor was tested by the constant pestering.
2 more examples
- A hard drive is nonvolatile, but RAM is volatile.
- A nonvolatile variable may misbehave if accessed from multiple threads at once.
- Antonyms
- volatile