English Dictionary

Definition of “umbra”

umbra (ˈʌmbrə )

(plural) -brae (-briː) -bras

a region of complete shadow resulting from the total obstruction of light by an opaque object, esp the shadow cast by the moon onto the earth during a solar eclipse
the darker inner region of a sunspot

ˈumbral adjective

C16: from Latin: shade, shadow

The moon will emerge gradually from the shadow and exit the umbra at 10: 04 p. m., bringing the partial eclipse to a close.

Globe and Mail (2003)

This occurs when the moon creeps into the umbra , the Earth's dark inner shadow.

Globe and Mail (2003)

`Feel its coldness...' Halloran stretched his hand towards the lake that had become a huge liquid umbra , and

James Herbert James Herbert's Dark Places

DECON

Suggested by Daved Wachsman (22 May 2013)
RINO

Suggested by Daved Wachsman (21 May 2013)
Tarball

Suggested by Daved Wachsman (21 May 2013)
Put on the brakes

Suggested by Daved Wachsman (21 May 2013)
TOTUS

Suggested by Daved Wachsman (21 May 2013)
SCOTUS

Suggested by Daved Wachsman (21 May 2013)

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