| CHLOROFORM | Colourless liquid formerly used as an inhaled anaesthetic during surgery (10) |
| EPIDURAL | An injection of anaesthetic during childbirth to produce a loss of sensation below the waist (8) |
| ETHER | Colourless volatile highly inflammable liquid formerly used as an inhalation anaesthetic (5) |
| ASARABACCA | Low-growing, perennial, evergreen plant formerly used as an ingredient in snuff (10) |
| ANESTHETIC | Drug that puts you to sleep during surgery |
| ANESTHESIA | Given during surgery to prevent the sensation of pain. |
| FRESHWATER | Caught this morning near the bank with colourless liquid (5,5) |
| FORMICACID | Colourless liquid present in ant venom (6,4) |
| FREEWHEEL | Device in vehicle transmissions, formerly used as an economy aid - as in Rover's 'Auntie' P4 - or to smooth out uneven running in two-stroke engines on the overrun (Saab and DKW) (9) |
| VERDIGRIS | Bluish-green patina on brass, bronze or copper as a result of atmospheric oxidation, formerly used as an artist's pigment (9) |
| LAUDANUM | Tincture of opium formerly used as an analgesic and sedative (8) |
| MASK | Woven product used as a support for organs during surgery (4) |
| SULPHURIC | ____ acid, a colourless, corrosive liquid formerly called oil of vitriol (9) |
| SEASHELL | Studied or collected in conchology, a calcareous exoskeleton such as the conch used as a trumpet, cowry formerly used as money, or puka for jewellery (8) |
| CREOSOTE | Colourless liquid mixture distilled from wood tar used as an antiseptic (8) |
| SWAB | Piece of cotton wool or similar used in first aid and during surgery (4) |
| NITRIC | ___ acid, corrosive liquid formerly called aqua fortis (6) |
| ACID | Corrosive liquid formerly named aqua fortis (6,4) |
| COCAINE | Which bitter alkaloid was formerly used as a local anaesthetic (7) |
| CLAY | What natural substance was formerly used as a thickener in liquid polishes? (4) |