| RUSTWORTHY | Coated so as to promote oxidation? |
| FURZE | Shrub becomes coated, so they say (5) |
| DICED | Top of doughnut sugar-coated, then cut into cubes (5) |
| CHROMIUM | This metal, whose chemical symbol is Cr, is added to iron and nickel to produce alloys specially characterized by their high resistance to corrosion and oxidation. This resistance accounts for its ext |
| NORUST | Impervious to oxidation, as patio furniture |
| VERDIGRIS | Bluish-green patina on brass, bronze or copper as a result of atmospheric oxidation, formerly used as an artist's pigment (9) |
| TARNISH | (Of metal) to lose its shine due to surface oxidation; discolour (7) |
| RUSTS | Gives in to oxidation, in a way |
| FRUSTRATED | Discontented as fluorine oxidation gets assessed (10) |
| INTRUST | Charge with a duty when metal turns to oxidation (7) |
| ROUST | Incite to activity with nothing in cause of oxidation |
| NEOPRENE | A synthetic rubber traditionally resistant to heat, oxidation and weathering (8) |
| COMBUSTION | Rapid oxidation beginning to consume vehicle in motion, oddly (10) |
| RUST | Trusted to contain oxidation |
| RUSTPROOF | Resistant to oxidation (9) |
| FRUSTRATION | Helping after fluorine oxidation leads to annoyance (11) |
| MISTRUST | Doubt if dampness leads to oxidation (8) |
| PATINA | Word for the powder-green or bluish verdigris forming on copper as a result of oxidation or weathering or for the darkened layer on wooden antiques (6) |
| SPONTANEOUSCOMBUSTION | The ignition of a substance or body as a result of internal oxidation processes |
| HYPOSULPHERIC | Relating to a yellow element in a lower state of oxidation than the element's compounds (13) |
