Search Result for "pwr": 
Wordnet 3.0

NOUN (1)

1. a nuclear reactor that uses water as a coolant and moderator; the steam produced can drive a steam turbine;
[syn: pressurized water reactor, PWR]



WordNet (r) 3.0 (2006):

PWR
    n 1: a nuclear reactor that uses water as a coolant and
         moderator; the steam produced can drive a steam turbine
         [syn: pressurized water reactor, PWR]