change wheel

English

Noun

change wheel (plural change wheels)

(engineering) 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.

Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing.
(See the entry for change wheel under change in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)

单词	change wheel
释义	change wheel English Noun change wheel (plural change wheels) (engineering) 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. Part or all of this entry has been imported from the 1913 edition of Webster’s Dictionary, which is now free of copyright and hence in the public domain. The imported definitions may be significantly out of date, and any more recent senses may be completely missing. (See the entry for change wheel under change in Webster’s Revised Unabridged Dictionary, G. & C. Merriam, 1913)
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