| MEGABIT | One of 8,000 in a gigabyte |
| MEG | One-thousandth of a gigabyte for short |
| ALTITUDE | - sickness; mountaineer's condition caused by lack of oxygen that can occur at heights of 8,000 ft or more (8) |
| ALTOSTRATUS | Dense greyish layer cloud at an intermediate height of 8,000 - 20,000 feet (11) |
| GB | Gigabyte; abbr. (2) |
| EXABYTE | In computing, a unit of information equivalent to a billion gigabytes or 1000 petabytes (7) |
| TERABYTE | Measure of computer storage capacity equal to a thousand gigabytes |
| REINHOLDMESSNER | Mountaineering legend controversially stripped by Guinness in 2023 of his record for climbing all 14 of the world's 8,000-meter peaks; GPS data showed he'd missed one summit by about 15 feet |
| GBS | Gigabytes in short (3) |
| EB | One billion gigabytes |
| THURSO | Town in Highland Region (pop about 8,000), a burgh of barony from 1633 (6) |
| MEMORY | What gigabytes might measure |
| STORAGE | As is measure by gigabytes, for example (7) |
| ISRAELIS | Citizens of state in western Asia (about 8,000 sq miles; pop 9 million), independent since 1948 (8) |
| DISS | Market town in Norfolk (pop 8,000), supposed to be the birth-place of the poet John Skelton (4) |
| TREVI | Small town in central Italy (pop about 8,000), a major olive oil producer (5) |
| EGREMONT | Town in north-west England (pop about 8,000), with a market charter since 1267 (8) |
| ISRAEL | A country in western Asia (about 8,000 sq miles; pop about 10 million), independent since 1948 (6) |
| INVERNESS | Small city in Florida (pop about 8,000), incorporated in 1919 (9) |
| ROCKETS | More than 8,000 of these were fired at Israel in the past few months (7) |