TIG welding. n. 1. (General Engineering) tungsten-electrode inert gas welding: a method of welding in which the arc is maintained by a tungsten electrode and shielded from the access of air by an inert gas.
The blade of the classic Roman stabbing sword, the gladius, was only some two feet long, though in the twilight years of the empire the gladius gave way to the spatha, the long slashing sword of the barbarians. Read More. in tactics: The legion. ...as a team.
Anestrus is the fourth and last phase of the heat cycle. It can last from 130 to 250 days. Some breeds, including the Dingo and the Basenji, have very long anestrus periods and only go through one heat cycle annually. During anestrus, females are not sexually active.