| ISOMETRY | Geometric transformation in which the distance between any two points is unaltered, e.g. the rotation of a plane (8) |
| OHMSLAW | Name given to the phenomenon in which the current between two points is proportional to the voltage across the two points (4,3) |
| INSTAR | The stage in the development of an insect between any two moults (6) |
| STATIC | The friction between any two bodies, when one of them just tends to slip over the surface of the other (6) |
| SEMIFINAL | Rig the latest round between any two of the last four contestants |
| SPAN | Bridge / the full amount or extent between any two limits |
| CUBES | Solids bounded by six equal squares, forming a right angle between any two adjacent faces |
| STROKE | The distance between the highest and lowest points reached by the piston moving in the cylinder (6) |
| RIGID | __ transformation; in geometry this maintains the distance between every pair of points (5) |
| INTENSIVE | Alteration of invites to incorporate two points is very thorough (9) |
| CALLIPER | Instrument for measuring the distance between two points (often used in the plural) (8) |
| ASKEW | Request for two points is out of line (5) |
| WASTE | A road connecting two points is unoccupied (5) |
| METRE | One ten-millionth of the distance between the North Pole and the equator (as defined by the French Academy of Sciences in 1791) |
| ANGLE | From the Latin meaning "corner", a word for the distance between two rays, measured in degrees/radians (5) |
| RADIUS | A solar ___ is a unit of measurement equivalent to the distance between the centre of the Sun and its visible surface |
| LENGTHS | Units that measure the distance between two horses in a race |
| GAUGE | Which word indicates the distance between the rails on a line of railroad track? (5) |
| PAR | Golf's scoring standard that reflects the distance between the tee and the hole |
| WAVELENGTH | The distance between two successive similar points on an alternative wave (10) |
