| FREEZINGPOINT | Temperature at which a liquid solidifies (8,5) |
| FREEZING | ____ point, the temperature at which a liquid turns into a solid when cooled (8) |
| BOILINGPOINT | Temperature at which a liquid turns to vapour |
| FLASHPOINT | Moment of crisis that takes its name from the lowest temperature at which a flammable liquid can mix |
| DEWPOINT | What is the temperature at which a given sample of air will have a relative humidity of 100 per cent (8) |
| HOTHEADEDNESS | Running a temperature at the summit perhaps is typical of one of those in bad mood (3-10) |
| DEW | ___ point (temperature at which water droplets form on a lawn or car) |
| POURPOINT | A medieval gipon-like quilted doublet or gambeson; or, as two words, the lowest temperature at which oil will flow under gravity (9) |
| REDHEAT | Term for the temperature at which something is so warm that it glows with a flame-orange or scarlet colour (3,4) |
| ZERO | Celsius temperature at which water freezes |
| TWITCH | Temperature at which, allegedly, convulsion occurs (6) |
| ABSOLUTEZERO | Theoretical temperature at which molecular activity ceases |
| EUTECTIC | Relating to the temperature at which an alloy melts |
| FORTY | Negative temperature at which Fahrenheit and Celsius intersect, the only such point |
| LOWER | ___ fixed point is the temperature at which pure ice melts under ordinary conditions (5) |
| GEL | Substance in which a liquid is dispersed in a solid |
| SUMP | Device for filling a tyre with air - Receptacle into which a liquid drains (4) |
| TAPS | Devices through which a liquid could flow |
| SIPHON | Bottle from which a liquid is forced by pressure of gas (6) |
| ULLAGE | What describes the volume by which a liquid container falls short of being full? (6) |