Penumbra is derived from Latin

Thinkings and poems 1 Minute

penumbra

See definition in Oxford Advanced Learner’s Dictionary

Line breaks: pen|um¦bra

Pronunciation: /pɪˈnʌmbrə/

Definition of penumbra in English:

noun (plural penumbrae pɪˈnʌmbriː or penumbras)

1The partially shaded outer region of the shadow cast by an opaque object.

EXAMPLE SENTENCES

1.1 Astronomy The shadow cast by the earth or moon over an area experiencing a partial eclipse.

EXAMPLE SENTENCES

1.2 Astronomy The less dark outer part of a sunspot, surrounding the core.

EXAMPLE SENTENCES
2A peripheral or indeterminate area or group:an immense penumbra of theory surrounds any observation

Derivatives

 

penumbral

Pronunciation: /pɪˈnʌmbrəl/

adjective

 

EXAMPLE SENTENCES

Origin

Mid 17th century: modern Latin, from Latin paene ‘almost’ + umbra ‘shadow’.

Words that rhyme with penumbra

umbra

Definition of penumbra in:
Unknown's avatar

Published by Katherine

Poetry writer and author

Published