diameter

At the eclipse's maximum point, about 93% of the Moon's diameter will lie within Earth's dark central shadow, known as the umbra.

From Science Daily ● Aug. 5, 2026

The heat created by its beams can seal blood vessels just 2mm in diameter, about 5-6cm below the skin.

From BBC ● Jul. 10, 2026

A traditional arthroscope measures about 4 millimeters in diameter.

From The Wall Street Journal ● May 26, 2026

"It weighs 8.2kg, measures nearly 30cm in diameter and stands about 46cm tall - almost four times the size of a typical astrolabe from 17th Century India," said Carter.

From BBC ● Apr. 25, 2026

One highly effective campaign recently asked you whether you could poke your finger through the hole, approximately the diameter of a golf ball, cut in the front cover of the leaflet.

From "Words Like Loaded Pistols" by Sam Leith

Which is to say, Porsche invented an entirely new flat-six—different bore diameters and everything—just to clear 11 centimeters under the engine cover.

From The Wall Street Journal ● Oct. 30, 2025

Astronomers these days are really interested in sub-Neptune planets, meaning those with diameters larger than Earth but smaller than Neptune.

From Salon ● May 31, 2025

PM 2.5 refers to the level of tiny, hazardous particles - with diameters that are 2.5 micrometres or smaller - that can enter bloodstreams though the lungs.

From BBC ● Mar. 6, 2024

They have up to 24 arms and can grow to diameters of more than three feet.

From New York Times ● Mar. 6, 2024

Now, as the volumes of spheres vary as the cubes of their diameters, it follows that the volume of the nebula will vary as the cube of its distance from the earth.

From Astronomical Curiosities Facts and Fallacies by J. Ellard Gore