| KELVIN | Base SI unit of thermodynamic temperature, equal in magnitude to the degree Celsius (6) |
| AMPERE | Base SI unit of electric current, equivalent to one coulomb per second (6) |
| BLOCKVOTE | Electoral say proportional in magnitude to numbers a delegate represents (5,4) |
| EVENSTEVENS | Like two figures including temperature, equal |
| TOHATEXTENT | Question of magnitude to a milliner? |
| AMPS | Abbreviated name of base SI units of electric current named after a French physicist (4) |
| ENGINE | Machine for converting energy into motion for which Macquorn Rankine developed a scale of thermodynamic temperature for stream-powered versions (6) |
| INCISE | Cut in magnitude, reportedly? (6) |
| FINITE | Bounded or limited in magnitude (6) |
| ONECALORIE | Amount of energy required to raise the temperature of a gram of water by a single degree Celsius |
| GASOIL | Petroleum distillate that boils above about 250 degrees Celsius |
| UNDERRUN | Word that refers to the degree to which a programme falls short; the action of going, passing or running beneath; or, the current below the surface, whether real or figurative (8) |
| ABSOLUTEZERO | The lower limit of the thermodynamic temperature scale (8,4) |
| ICY | Very cold, one degree Celsius at beginning of the year (3) |
| MOL | A base SI unit (abbr) (3) |
| ATMOSPHERE | A unit of pressure equivalent to the pressure that will support a column of mercury 760mm high at 0 degrees Celsius at sea level |
| EPISTEMIC | Relating to knowledge or to the degree of its validation |
| NTH | To the - degree, to the utmost (3) |
| FREEZINGMIXTURE | Blend of salt and ice to obtain temperature below zero degrees Celsius (8,7) |
| DILIGENCE | Legal concept pertaining to the degree of care that should be exercised, due ... |