PWR
radial shield
geyser
pressurized water reactor
minireactor
feed heater
microreactor
water-cooled reactor
hydroprocessor
pondage
penlight
boiling water reactor
BWR
liquid metal reactor
deaerator
inspirator
tepidarium
detector
hydrocracker
hydrotreater
still
Galloway tube
hydroelectric generator
gaslight
stroboscope
hydrostat
flashbulb
feed pump
injector
leerie
water glass
midfeather
fluorescent lamp
cogenerator
solar thermal system
hygrodeik
Tyson turbine
self-luminous
water tube
light bulb
watertube
hydroelectric turbine
dewaterer
lamplit
rabbit
tailrace
lamp fount
combi
steam boiler
trickler