Watt  (wŏt)  British engineer and inventor who made fundamental improvements in the steam engine, resulting in the modern high-pressure steam engine (patented 1769). |
A Scottish engineer active in the eighteenth century. Watt invented the modern version of the steam engine.
| Watt, James 1736-1819.
British engineer and inventor who patented a much improved version of the steam engine (1769) and devised the unit of horsepower. The watt unit of power is named for him. |