| BWR | A nuclear reactor that uses water as a coolant and moderator. |
| ABSORBER | (physics) Material in a nuclear reactor that absorbs radiation. |
| URANIUMCRUSHER | Part of a nuclear reactor that does some serious flattening? |
| EMPORIA | What gas is used as a coolant in air-conditioning equipment? (7) |
| DRYICE | Solid carbon dioxide used as a coolant (3,3) |
| OMBUDSMAN | Quiz man Richard introduces Mike, friend and moderator (9) |
| WHOOPI | Movie star and moderator of The View (------ Goldberg) |
| FASTBREEDER | A type of nuclear reactor that produces at least as much fissionable material as it uses |
| TMI | PA nuclear reactor that leaked |
| LIQUIDNITROGEN | I told enquiring stranger, it's a coolant well below freezing point (6,8) |
| HOOKAH | Pipe, also known as a hubble-bubble, which uses water to cool and filter the smoke |
| ADULTERATES | Uses water maybe to dilute a trusted ale naughtily (11) |
| VORTEX | What is a whirling movement, or mass of water, as a whirlpool (6) |
| CATAPULT | Religious group restricting a source of water as a weapon |
| PANAMACANAL | Periodically have prawns as meal on the water, as a shortcut? |
| PLUNGER | Uses water pressure for each covering over organ in cage (7) |
| HOTHOUSE | Tropical plant room uses water pipe you long ago put in (8) |
| FRESCO | Which style of painting uses water-based pigments on freshly applied plaster? |
| KNITWEAR | Use water and ink to represent fabric (8) |
| SCRAM | An emergency shutdown of a nuclear reactor, and the name of the kill switch that initiates it (5) |
