| GEODESY | Branch of science concerned with the precise measurement of the size and shape of the earth or large portions of it (7) |
| ASTROMETRY | Precise measurements of the positions, movements and magnitudes of stars (10) |
| CALIBRE | Measurement of the size of a firearm (7) |
| VERNIER | Scale for precise measurements |
| DOMESTIC | Gross ____ Product or GDP, a measure of the size and health of an economy over time (8) |
| PHYSICS | That branch of science concerned with the study of the properties of space, time, matter and energy (7) |
| OPTICS | The branch of science concerned with vision and the behaviour of electromagnetic light (6) |
| RHEOLOGY | The branch of physics concerned with the flow and shape of matter (8) |
| FITLIKEAGLOVE | To be the perfect size and shape of clothing (3,4,1,5) |
| REACH | Stretch of water between canal locks or river bends; a boxer's "wingspan"; a measure of the size of an audience exposed to an advert; or, the distance sailed between tacks |
| ANATOMY | Branch of science concerned with the physical structure of animals and plants, especially as revealed by dissection (7) |
| POLAR | Of or near a pole of the earth or a celestial body |
| STING | Professional name of the lead singer of The Police whose stand-alone songs include Englishman in New York, Fields of Gold and Shape of My Heart (5) |
| UNDERWORLD | Traditional word for the land of the dead that lies beneath the earth, or a term denoting criminal gangs and the people involved in them |
| SEEFIT | Think it proper to check the size and shape (3,3) |
| TOXICOLOGY | Branch of science concerned with the nature, effects and antidotes of poisons (10) |
| ENTOMOLOGY | The branch of science concerned with the study of insects (10) |
| POLLENCOUNT | Often quoted on weather forecasts, this is the measurement of the number of grains discharged from the male part of a flower, per cubic metre of air (6,5) |
| ELARA | Named after one of Zeus's lovers, a small moon of Jupiter, approximately two per cent of the size of Europa (5) |
| BESSEL | He performed the first accurate measurement of the distance to a star and predicted the existence of Neptune (6) |