n. 驱逐者, 排出器, 放出器

[化] 喷射泵; 喷射器

[医] 喷射器, 剔出物, 排除器

Ejector \E*ject"or\, n.
1. One who, or that which, ejects or dispossesses.

2. (Mech.) A jet jump for lifting water or withdrawing air
from a space.

3. That part of the mechanism of a breech-loading firearm
which ejects the empty shell.
[Webster 1913 Suppl.]

{Ejector condenser} (Steam Engine), a condenser in which the
vacuum is maintained by a jet pump.
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