| SHARPEYED | Able to descry two properties of a needle (5-4) |
| SPOTS | Manages to descry a rash? (5) |
| DENATURED | Changed the properties of a turn of a sort, indeed (9) |
| ACOUSTICS | Properties of a space that determine how sound is transmitted (9) |
| PARTYWALL | Vertical barrier shared by two properties (5,4) |
| UNTHREADS | Takes out of a needle, as a filament |
| SPINALTAP | Insertion of a needle in the vertebra (6,3) |
| RECOGNIZE | Descry |
| ENCOUNTER | Descry |
| STITCH | Word, alluding to the movement of a needle and thread, for a sharp stabbing pain; or, a loop of yarn, left as a result of a single pass of said bodkin (6) |
| GATE | Northern dialect for a path, street or way; a wicket or other hinged barrier in a fence, hedge or wall; a portal; a hole or aperture, such as the eye of a needle; or, a mountain pass (4) |
| HEATTREATMENT | Means of modifying the properties of a metal |
| ARSON | On the outskirts of Swansea, two properties have been damaged in a deliberate act of fire-raising (5) |
| TOPOLOGY | Study of the geometric properties of a figure that remain unchanged even when stretched (8) |
| ESSENCE | A liquid substance containing the properties of a plant or foodstuff in concentrated form (7) |
| OCTANE | ___ number, one indicating the anti-knocking properties of a motor or aviation fuel (6) |
| SIENNA | Insane properties of a reddish-brown pigment |
| BOSONSOLVER | Person who's figured out the properties of a physics particle? |
| AERODYNAMICS | Properties of a solid object in motion (12) |
| SENSITOMETERS | Instruments for measuring the reflecting properties of a material (13) |
