| THREONINE | Six lots of this vital acid, including extra tablet, found in 1854 |
| NITRATE | Any salt or ester of nitric acid, including saltpetre, guncotton etc. (7) |
| AMINO | Vital acid |
| LIPIDS | Insoluble fatty acids including waxes and steroids (6) |
| STONE | This tablet, found in 1799, made the deciphering of hieroglyphics possible (7,5) |
| ROSETTA | This tablet, found in 1799, made the deciphering of hieroglyphics possible (7,5) |
| ROSETTASTONE | Tablet found in Egypt in 1799 (7,5) |
| PAPER | Does this sort of boy have lots of this sort of work? (5) |
| BATTLEGROUND | Possible clue to tablet found in war zone |
| SPILL | Small tablet found in shed (5) |
| GUAVAS | In Antigua vast lots of this fruit are seen |
| LOTUS | University put in lots of this plant (5) |
| DIRT | There is lots of this in the garden. It is also called soil or earth (4) |
| ORE | Lots of this is mined in WA (3) |
| INSULIN | Nothing American sent to Northern Ireland is raised, including this vital substance |
| RADAR | Physicist Watson-Watt helped develop this vital Battle of Britain defence system (5) |
| PLUSSES | They indicate additions, including extra line in Cats (7) |
| SUPPER | Meal is wonderful, including extra bit of pudding (6) |
| VODKA | Very old extremely drunk adult, after lots of this? (5) |
| TRUST | You need lots of this when shooting with a friend (5) |
