How To Use Quarter-circle In A Sentence

• I used a lathe to turn a steel rod into a bulletlike shape, then used a milling machine to cut away a quarter-circle wedge of the rod, leaving a sharp cutting edge.
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• His point is well taken, for if circles were defined in terms of semicircles, then presumably semicircles would be defined in terms of the quarter-circles of which they are composed, and so on, ad infinitum.
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• The more famous you are now; the more obscure you are fated to be when the wheel turns through another quarter-circle.
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