umbra

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 lighter one, called the penumbra, will not have too much effect but the umbra, the inner and darker shadow, will darken the Moon.

From BBC ● Sep. 17, 2024

In the umbra of these darkly tinged stories, readers will experience late-night fears and the sweet relief of daylight.

From Los Angeles Times ● May 15, 2024

When the moon passes partially into the umbra, it creates a partial eclipse, which looks as if there’s been a bite taken out of the moon.

From Slate ● Apr. 5, 2024

All were in the umbra of the magnificent hemlock.

From "Frightful's Mountain" by Jean Craighead George

Plato truly believ'd his archetypal Idēas to possess the fourth dimension: For since our solid is triple, but always Its shade only double, solids as umbrae Must lack equally one dimension also.

From The Poetical Works of Robert Bridges by Robert Bridges

But the ancient habitues—the magni nominis umbrae, contemporaries of Brummell in his zenith, boon companions of George IV. in his regency—still haunted the spot.

From My Novel — Complete by Edward Bulwer Lytton, Baron Lytton

But the ancient /habitues/—the /magni nominis umbrae/, contemporaries of Brummell in his zenith, boon companions of George IV. in his regency— still haunted the spot.

From My Novel — Volume 11 by Edward Bulwer Lytton, Baron Lytton

Happily these umbrae pallentes have now vanished, and I trust we will make the ties of friendship closer and stronger by establishing between us a community and exchange of prayers.

From Memoirs of James Robert Hope-Scott, Volume 2 by Robert Ornsby

The Justices of that day bore a heavier burden than their successors--hodie nominis umbrae.

From Ovington's Bank by Stanley J. Weyman

Occasionally, the penumbras of two sunspots of opposite polarity merge as they move past each other, putting the oppositely charged umbras in contact.

From Time Magazine Archive

"Because the umbras have opposite polarities, they attract each other," says the Marshall Center's Moore.

From Time Magazine Archive

The darker central portions of sunspots, or umbras, have the strongest magnetic fields; the lighter exteriors, or penumbras, the weaker fields.

From Time Magazine Archive

For the segnatura, which took place on certain days of the week, he selected on each occasion some new shady retreat "novas in convallibus fontes et novas inveniens umbras, quæ dubiam jacerent electionem."

From The Great Events by Famous Historians, Volume 07 by Rossiter Johnson

Charpentier's note-book only contained this line, which he had written in the darkness at the foot of the barricade while Denis Dussoubs was speaking:— Admonet et magna testatur voce per umbras.

From The History of a Crime The Testimony of an Eye-Witness by Victor Hugo