| WOLFRAM | (GKN) Alternative name for the metallic element tungsten, from German (7) |
| PETER | Remove tungsten from alloy to make safe (5) |
| SPOTWELDER | See tungsten from earlier - one sticks by melting point |
| HOLMIUM | The metallic element with atomic number 67 (7) |
| OSMIUM | From the Greek meaning "smell", due to the disagreeable odour of its tetroxide, the metallic element with the atomic number 76 (6) |
| COLUMBIUM | Former name of the metallic element niobium (9) |
| LETTISH | (GKN) Former English name for the Baltic official language of Latvia, from German (7) |
| POTASSIUM | Stamps IOU on the metallic element, oddly |
| TUNGSTEN | What is the metallic element, also called wolfram, used in old light bulb filaments? (8) |
| TITANIUM | I'm to meet you on Saturn's satellite and seek the metallic element found there (8) |
| GOLD | Most malleable and ductile of the metallic elements, alloyed with silver to make electrum (4) |
| STEFANI | (GKN) US singer who recorded Shake The Snow Globe for the 2025 film Oh. What. Fun. (4,7) |
| ANTARES | (GKN) Brightest star in the constellation Scorpius; from Ancient Greek, 'rivalling Mars' (7) |
| MOLOKAI | (GKN) Fifth- largest island of Hawaii, separated from Oahu by the Kaiwi Channel (7) |
| CALTECH | (GKN) Familiar name of the former Throop University, founded in Pasadena, California, in 1891 (7) |
| TONER | Chemical solution used to soften or alter the colour of a black-and-white photograph, typically by replacing the metallic silver in the emulsion (5) |
| ALLHEAL | (GKN) Popular name for various plants thought to have curative properties, especially common valerian (Valeriana officinalis) (7) |
| CROATIA | (GKN) Most recent country to adopt the euro as its currency, replacing the kuna on 1 January 2023 (7) |
| SCHELDT | (GKN) Second-longest river of Belgium after the Meuse, shared with France and the Netherlands (7) |
| GROPIUS | (GKN) Walter _ German-born US architect who founded the Bauhaus ('building house') school in 1919 (7) |
