Definitions for penumbra

• Definition
• Anagrams (309)

penumbra pe·num·bra

Spelling: [pi-nuhm-bruh]

IPA: /pɪˈnʌm brə/

Penumbra is a 8 letter English word. It's valid Scrabble word worth 14 points. It's valid Words with friends word worth 19 points.

You can make 309 anagrams from letters in penumbra (abemnpru).

Definitions for penumbra

noun

1. Astronomy. the partial or imperfect shadow outside the complete shadow of an opaque body, as a planet, where the light from the source of illumination is only partly cut off. Compare umbra (def 3a). the grayish marginal portion of a sunspot. Compare umbra (def 3b).
2. a shadowy, indefinite, or marginal area.

Origin of penumbra

1660-70; New Latin, equivalent to Latin paen- pen- + umbra shade

Examples for penumbra

Two tears, phosphorescent in the penumbra, rolled from the eyes of the painter.

To-day, even, we can see the Dawn: the penumbra is vanishing.

And Porter was still working away, looking ghostly in the penumbra.

Each spot is quite sharply divided into an umbra and a penumbra.

This is the entrance into the “penumbra” (or “Partial shade”).

The penumbra will last quite a long time yet, but it will gradually get fainter and fainter.

The answer is not yet made, the oracle has not spoken, and we must not invade the penumbra of genius.

The idea of change is there, I am willing to grant, but it is hidden in the penumbra.

Now I will try and explain to you what the penumbra is and how it is produced.

Thus they were in a little island of pink light surrounded by penumbra.