|selə(r)z- noun
Usage: usually capitalized S
Etymology: after William Sellers died 1905 American engineer and inventor
: an American standard screw thread with an angle of 60 degrees and flat crests and roots
|selə(r)z- noun
Usage: usually capitalized S
Etymology: after William Sellers died 1905 American engineer and inventor
: an American standard screw thread with an angle of 60 degrees and flat crests and roots
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012