| ENTOMOLOGICAL | Specialising in science of insect |
| ENTOMOLOGY | Gloomy tone developed in science of insects (10) |
| IMPERIAL | ____ College, London university founded in 1907 specialising in science and engineering (8) |
| ENT | Science of insects (abbr) (3) |
| EGYPTOLOGY | Funny googly type in science of antiquities (10) |
| GUNNERY | Grey nun trained in science of artillery (7) |
| LOGICIAN | Colin, a GI, became expert in science of reasoning (8) |
| GUINNESS | Founder in 1759 of a brewery specialising in Irish dry stout; or, an actor who starred in The Bridge on the River Kwai and Lawrence of Arabia (8) |
| ROSARIAN | Breeder of scented brier beauties, cultivator of fragrant floribundas, expert in eglantines, grower of grandifloras, propagator of hybrid teas, tender of velvety damasks or other such floriculturist o |
| RADIOLOGIST | A doctor specialising in the use of X-rays and methods of imaging the internal structure of the body (11) |
| INTENSIVECAREUNIT | Part of a hospital specialising in treatment of the critically ill (9,4,4) |
| SCILLY | Isles of -; specialising in seasonal fresh flowers, archipelago off the Cornish coast whose wildlife trust pays the Duchy of Cornwall one daffodil per year as rent (6) |
| PARLOUR | Part of a dairy farm for milking cows; shop specialising in ice cream; or, a locutory in a monastery (7) |
| PAYPAL | Company specialising in online money transfers founded in the U.S. in 1998 (6) |
| CHIPSHOP | Term for a French-fry house, friterie, greasy spoon or takeaway specialising in vinegar-soused sizzled sticks of potato wrapped in parchment or "yesterday's news" (4,4) |
| TECHNICAL | One who investigates metal, say, specialising in applied science |
| ALIENIST | One specialising in the treatment of mental diseases (8) |
| GRAMMARIAN | Linguist specialising in the study of syntax (10) |
| OTOLOGIST | One specialising in the anatomy of the ear (9) |
| OOLOGIST | Person specialising in the study of birds' eggs (8) |
