| SALTPETER | Test Pearl devised for component of gunpowder |
| BORON | Keep mining out east for component of steel |
| MONROEDOCTRINE | Film star given no credit, sadly, for component of American policy |
| ANTIGEN | Inclined to withhold information, maybe, for component of medicine? |
| NITRE | What is another name for saltpetre, a component of gunpowder? (5) |
| SALTPETRE | Component of gunpowder |
| DIODES | Does ID change for components of electrical circuits? (6) |
| TRAIN | Word for a dragging part of a robe originally, later a caravan of camels, line of gunpowder, series of railway carriages or sequence of thoughts (5) |
| TALLOW | First sign of this permit for component in a candle (6) |
| EGGCUP | Support for component in clutch? |
| ELEMENT | Meet Len for component basis (7) |
| PLASMA | Place with a male engaged in appeal for component in blood (6) |
| TEALEAF | A little bit of gunpowder, say, for robber (3,4) |
| EPROUVETTE | Device for assessing the strength of gunpowder (10) |
| CHARGE | Order for a load of gunpowder and attack ward (6) |
| SCROUNGE | Crusoe arranged to get hold of new source of gunpowder to cadge (8) |
| PEBBLE | Beach stone made smooth or round by the action of water or sand; or, a large size of gunpowder (6) |
| RESIDUE | Traces of gunpowder at a crime scene, e.g. |
| SABRE | Recoiling part of gunpowder-based cavalry weapon |
| TEACHEST | Trains on time, delivering box of gunpowder, say |