| CHLOROFORM | Sweet-smelling, volatile liquid formerly used as an anaesthetic (10) |
| ETHER | Volatile liquid formerly used as an anaesthetic (5) |
| ASARABACCA | Low-growing, perennial, evergreen plant formerly used as an ingredient in snuff (10) |
| 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) |
| KETAMINE | Synthetic compound used as an anaesthetic and analgesic and also as a recreational drug (8) |
| AETHER | Fragment of algae therapy once used as an anaesthetic by a poet (6) |
| URETHANE | Crystalline ester used as an anaesthetic and in pesticides (8) |
| LOCAL | Where alcohol is used as an anaesthetic? |
| AMYLENE | ____ hydrate was the name for a form of alcohol used as an anaesthetic until the 1950s |
| GAS | Fuel used as an anaesthetic |
| NITROUSOXIDE | Colourless gas used as an anaesthetic in dentistry; its supply for recreational purposes is illegal (7,5) |
| 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) |
| NITRIC | ___ acid, corrosive liquid formerly called aqua fortis (6) |
| ACID | Corrosive liquid formerly named aqua fortis (6,4) |
| SULPHURIC | ____ acid, a colourless, corrosive liquid formerly called oil of vitriol (9) |
| 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) |
| LAUGHINGGAS | Chuckling at waffle as an anaesthetic |
