Penumbra series Synonyms

Penumbra replaced

Definitions for Penumbra

(noun) partial darkness due to the obstruction of light rays
(noun) something that covers or conceals like a piece of cloth
(noun) a fringe region of partial shadow around an umbra

Synonyms for phrase

PS abbreviation

PS is an abbreviation for Penumbra Series

What does PS stand for?

PS stands for "Penumbra Series"

Definitions for Series

(noun) similar things placed in order or happening one after another
(noun) a group of postage stamps having a common theme or a group of coins or currency selected as a group for study or collection
(noun) (mathematics) the sum of a finite or infinite sequence of expressions