| INSULATOR | Heat-retaining device developed from solar unit |
| TECH | Devices developed from scientific knowledge (4) |
| CLAMP | Hold onto the metal retaining device |
| ESPRESSO | ___ machine, coffee device developed in Italy in the early 20th century (8) |
| STORMGLASS | Weather forecasting device developed by Admiral Robert FitzRoy and used on his voyage with Charles Darwin on the HMS Beagle |
| UNBRITISH | Developed from birth in US, different from US! |
| BOBSLEIGH | Racing sled developed from bilge? Bosh! (9) |
| AFRIKAANS | Language developed from Dutch (9) |
| IDENTICAL | Referring to twins of the same gender who developed from a single ovum that split into two (9) |
| CROISSANT | Sweet flaky French pastry purportedly developed from the Austrian kipferl or Hungarian kifli (9) |
| GREATDANE | Large canine breed developed from boar-hunting dogs (5,4) |
| FLIPFLOPS | Footwear developed from the Japanese zori, which became popular after World War II (4-5) |
| ROOFTOP | A white _______ can minimize the amount of heat from solar radiation that is absorbed through roof surfaces of buildings, which can be used to reduce cooling costs and to save energy (7) |
| AGA | A source of heat largely in heat-retaining stove (3) |
| SUNHAT | Protection from solar radiation |
| OZONELAYER | Stratosphere layer that shields Earth from solar radiation |
| SUNBURN | Skin redness from solar exposure |
| ICARUS | Mythological figure who suffered from solar power (6) |
| SHADED | Before the start of the day, heads could be protected from solar rays (6) |
| SKIN | One's protective dermal suit of armour which, as the body's largest organ, synthesises vitamin D from solar light, provides sensations, including goosebumps during fight or flight, and is a tattooist |