WordReference Random House Unabridged Dictionary of American English © 2026
plas•ma•pause
(plaz′mə pôz′),USA pronunciation n. [Astron.]
- Astronomythe boundary of the plasmasphere, where the particle density decreases very rapidly.
- plasma + pause 1965–70
'plasmapause' also found in these entries (note: many are not synonyms or translations):