noun
: the pitch of a screw to be cut having the number of threads per inch a multiple or a submultiple of the number of threads per inch of the lead screw of the lathe used to cut it
noun
: the pitch of a screw to be cut having the number of threads per inch a multiple or a submultiple of the number of threads per inch of the lead screw of the lathe used to cut it
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012