noun
Usage: usually capitalized W
Etymology: after Robert Willis died 1875 English mechanician
: a system of using for the generating circle of cycloidal teeth a circle equal in radius to a pinion having twelve teeth of the given pitch
noun
Usage: usually capitalized W
Etymology: after Robert Willis died 1875 English mechanician
: a system of using for the generating circle of cycloidal teeth a circle equal in radius to a pinion having twelve teeth of the given pitch
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012