| DARKMATTER | Undetectable particles thought to constitute a significant proportion of the universe |
| OLEIC | A significant proportion of turkey fat is ____ acid |
| ELEMENTS | In ancient alchemy and cosmology, earth, water. air and fir: thought to constitute the universe or, rain, gales and other adverse weather conditions collectively (8) |
| OKAPI | They're wild in central Africa, a significant proportion, after sanction (5) |
| AXION | Hypothetical subatomic particle with zero spin and electric charge, thought to constitute dark matter (5) |
| GLUON | Subatomic particle thought to bind quarks together |
| PRION | Protein particle thought to cause certain brain and nervous system diseases |
| DECIMATE | Destroy significant proportion |
| SEGMENT | One of several parts or pieces that fit with others to constitute a whole object (7) |
| ACTUSREI | Deeds which are necessary to constitute a crime |
| LESOTHO | Only country outside Europe to constitute a true enclave |
| TRIO | It takes three to constitute a riot (4) |
| CITY | Why it takes 100 to constitute a large town (4) |
| LOTTERY | A method of raising money by selling numbered tickets and giving a proportion of the money raised to holders of numbers drawn at random (7) |
| BARB | Backward-facing point of a type of arrowhead; or, each one of the filaments of a feather that collectively constitute a vane (4) |
| SYMMETRY | Correct or pleasing proportion of the parts of a thing; harmony (8) |
| YARD | Imperial unit of length of which five and a half constitute a perch and 220 constitute a furlong (4) |
| CHIPPENDALE | Cabinetmaker whose pieces form a proportion of the furniture collection at Dumfries House (approximately 10 per cent of his surviving work) (11) |
| OVERSPILL | A proportion of the population displaced by eg changes in housing (9) |
| SCALLOP | A proportion of the clients call openly for shellfish (7) |
