| SAWDUST | Woodworking by-product whose uses include the production of cellulose and acting as an accelerant in charcoal briquettes (7) |
| INTERN | Advanced medical student living in a hospital and acting as an assistant physician |
| DRYROT | Decay of timber resulting from fungi such as Serpula lacrymans consuming its cellulose and hemicellulose (3,3) |
| NOS | Accelerant in the Fast & Furious universe |
| ARSON | Crime using an accelerant |
| ATTENDING | Putting in an appearance and acting as a servant (9) |
| STANDINGGUARD | Rule about GI with gun, trained and acting as a sentry (8,5) |
| OAK | Sacred to Roman god Jupiter, a tree in the genus Quercus whose use in shipbuilding inspired David Garrick's line in a song used as the official march of the Royal Navy (3) |
| DELTOID | Thick muscle forming the rounded contour of the outer edge of the shoulder and acting to raise the arm |
| MINUTE | Word for the 60th part of an hour whose use in the sense of a note or memorandum derives from pre-printing days when scribes made rough copies in small writing (6) |
| ORGANS | Aerophones with manuals, stops and ranks of pipes whose use whose use in English parish churches succeeded "west gallery" music provided by groups of singers (6) |
| LEAD | Also called plumbum, a toxic element whose use in everyday life by the Ancient Romans is said by some to have contributed to the empire's downfall (4) |
| HINDERING | Is acting as an obstacle to keep people back, in good order (9) |
| REPRESENTING | ... and is about to be performing, at some stage, acting as an agent (12) |
| OUTRIDER | One in a motor vehicle or on horseback acting as an escort (8) |
| NEROLI | Bitter orange blossom oil and perfumer's citrus honeyed delight, named after an Italian princess whose use of it to scent her bathwater, clothes and gloves made it alla moda or chic (6) |
| MICHIGAN | University whose use of affirmative action in admissions policy was upheld by a federal judge |
| PIETIN | Item once manufactured by the Frisbie company, whose use as a toy inspired Wham-O's Frisbee trademark |
| VISCOSE | Rayon produced from a solution of cellulose treated with sodium hydroxide and carbon disulphide (7) |
| PLANTERSPEANUTS | Product whose logo was designed by a Virginia schoolboy as part of a contest |
