| FALLENSTAR | A gelatinous mass of cyanobacteria once thought to be of meteoric origin (6,4) |
| SPAWN | Minute eggs of frogs in a gelatinous mass (5) |
| CRATERS | Result of meteoric impacts |
| BLOB | Gelatinous mass |
| THEBLUEBOY | Portrait by Thomas Gainsborough, thought to be of Jonathan Buttle, the son of a wealthy hardware merchant |
| COELACANTH | Large, bony fish, once thought to be extinct (10) |
| ZEROTOHERO | Rhyming phrase for a meteoric rise out of obscurity |
| BLANCMANGE | What is a gelatinous dish made with cornflour and milk? (10) |
| PEA | In a pod, mushed, used to make soup or blown out of a toy shooter, it is a small spherical green seed or pulse whose name in question was once thought to be a plural's singular (3) |
| ABACUSES | Beaded precursors to the calculator, thought to be of ancient Babylonian origin (8) |
| OSSIAN | Semi-legendary Irish Gaelic poet and warrior thought to be of 3rd century AD (6) |
| ROSETTASTONE | Linguistically important granodiorite slab, formerly thought to be of black basalt |
| CHANCE | Pinball was once thought to be a game of luck or ___ |
| RUPTUREWORT | Old World plant of the pink family once thought to be a cure for hernias (11) |
| BARNACLE | Crustacean once thought to be the origin of certain geese |
| REMORA | The sucking-fish, once thought to be a hindrance to shipping (6) |
| WORMS | Eating a hair from a horse's forelock was once thought to be cure for what? (5) |
| DAYTIMEOUTLAYOV | [Start of a loop] When the sun shines / Break in a game / Amount spent / Break in a trip / Meteoric, like success / Drink before bed / Culminating achievement / Masonry / Monday to Friday, say ... |
| JELLYBEAN | Type of sweet with a brightly-coloured coating around a gelatinous filling (5,4) |
| CAPSULE | A gelatinous pill; or, part of a spacecraft containing its crew (7) |
