| FLASHPOINT | In chemistry, term for the lowest temperature at which a compound gives off sufficient vapour to ignite in air (10) |
| HYDROLYSIS | A chemical reaction in which a compound reacts with water to produce other compounds (10) |
| AMIDE | Nylon or Kevlar, in chemistry terms |
| EDTA | Short Chemistry term for a colourless crystalline compound used as an antidote to metal poisoning (1-1-1-1) |
| BIVALENT | Chemistry term for two bonds |
| POURPOINT | A medieval gipon-like quilted doublet or gambeson; or, as two words, the lowest temperature at which oil will flow under gravity (9) |
| MACADAM | Bituminous compound gives computer a blockage (7) |
| CHELATION | Production of compound gives leading couple of chemists joy |
| BOILINGPOINT | The temperature at which a liquid starts to change into steam or vapour (7,5) |
| DEWPOINT | What is the temperature at which a given sample of air will have a relative humidity of 100 per cent (8) |
| FREEZING | ____ point, the temperature at which a liquid turns into a solid when cooled (8) |
| AMBSACE | From Latin for "both ones", a word for the lowest possible throw at dice, aka snake eyes, thus an archaic term for bad luck or worthlessness (4-3) |
| GAMUT | Word originally for the lowest note in the scale in medieval music, later meaning the complete range of something such as emotions (5) |
| RORYMCILROY | Record holder for the lowest total score (268) in a U.S. Open (2011) |
| DUSTINJOHNSON | "Record holder for the lowest total score at the Masters (20 under par): 2 wds." |
| HYDERABAD | Team holding the record for the lowest-ever Ranji Trophy score at 21 all out. (9) |
| FREEZINGPOINT | Temperature at which a liquid solidifies (8,5) |
| COLDEST | A rustic old establishment has the lowest temperature (7) |
| REDHEAT | Term for the temperature at which something is so warm that it glows with a flame-orange or scarlet colour (3,4) |
| DEW | The temperature at which air is saturated with water vapour is called the ... point |
