| ALLOTROPE | One of multiple forms in which an element may exist |
| ANTIMONY | An element may not, in its construction, be possible (8) |
| MANIFOLD | Chap provided elderly with multiple forms (8) |
| ISOMER | Compound with multiple forms |
| EVAPORATION | The process by which an element or compound changes from its liquid state to its gaseous state. |
| TRIPLET | One of multiple birth quietly dropped in wrong litter (7) |
| EDITION | From "bring forth, publish", word for one of the forms in which a book or newspaper is produced; a press run; a single copy from this set; a reproduction; or, any version (7) |
| REGULI | Metallic forms in which one pistol turned up (6) |
| SISTERSTATION | One of multiple broadcast outlets operated by the same company, e.g. |
| JETE | Ballet jump with various forms in which a dancer springs from one foot to land on the other; French, 'thrown' (4) |
| SELDOM | Forms in which learner appears backward on a few occasions |
| LOWERCLASSES | Junior forms in which the humbler ranks are found (5,7) |
| EARTHS | Multiple of these may exist in a multiverse |
| COAGENT | One of multiple chemical activators |
| HAT | One of multiple jobs, metaphorically |
| DEEP | Condition in which a clot forms in a blood vessel, usually after a time of enforced lack of movement; ... vein thrombosis |
| LOOSECANNON | Unpredictable element may free churchman, they say (5,6) |
| IRON | The club element may be used decreasingly (4) |
| READSINTO | Attributes meaning where none may exist (5,4) |
| EVIL | Depravity may exist back to front (4) |
