(cryogenics) A high-speed vacuum pump that can produce an extremely low vacuum and has a low power consumption; to reduce the pressure, gases are condensed on surfaces within an enclosure at extremely low temperatures, usually attained by using liquid helium or liquid or gaseous hydrogen. Also known as cryopump.
cryogenic pump
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(′krī·ə′jen·ik ′pəmp)
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 | vacuum pump |
| vacuum (in physics) |
| Greenhouse Item |
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