Watt James

Watt

 (wŏt), James 1736-1819.
British engineer whose innovations, such as the condensing engine (1769) and the centrifugal governor (1788), greatly increased the efficiency and practicality of steam power.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

Watt

, James 1736-1819.
British engineer, inventor, and scientist. He invented the steam engine (1769) and devised the unit of horsepower. The watt unit of power is named for him.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.