impeller
UK/ɪmˈpelə/US/im'pelә/
C2
Definitions
n.
A rotating part that drives fluid through a pump or turbine
叶轮，推进器
Root Breakdown
Root-derivedimpelnot, opposite of
+
-lerpush, drive
=impeller
impel (push, drive) + -er (the thing that does it) = the rotating part that drives fluid forward inside a pump.
Common Collocations
- 1.pump impeller泵叶轮
- 2.turbine impeller涡轮叶轮
Example Sentences
- 1.
A worn impeller will reduce the pump's efficiency.