femtosecond
 n.— «Other major U.S. manufacturers are looking into incorporating femtosecond machining systems into their production lines. In manufacturing, new materials are constantly appearing, and the features on all kinds of devices are becoming smaller and smaller.» —“A New Precision Cutting Tool: The Femtosecond Laser” by Katie Walter Science & Technology (Livermore, California) Oct., 1997. (source: Double-Tongued Dictionary)