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Meaning of change wheel | Babel Free

Noun CEFR B2

Definitions

One of a set of wheels of different sizes and number of teeth, that may be changed or substituted for one another in machinery, to produce a different but definite rate of angular velocity in an axis, as in cutting screws, gear, etc.

CEFR level

B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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See also

Change-over change-ringing change-up change, shift Changeability Changeable

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