Did you know?

Click any word in a definition or example to find the entry for that word

British pronunciation of 


view main entry for penumbra noun  /pəˈnʌmbrə/
British English pronunciation: penumbra
Click to listen to the pronunciation of penumbra

This is the British English pronunciation of penumbra.

View American English pronunciation of penumbra.

Open Dictionary


a rise in the level of a stream or river

add a word


A must for anyone with an interest in the changing face of language. The Macmillan Dictionary blog explores English as it is spoken around the world today.

global English and language change from our blog
Macmillan learn live love play