Series doorway Synonyms

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

Synonyms for phrase

SD abbreviation

SD is an abbreviation for Series Doorway

What does SD stand for?

SD stands for "Series Doorway"

Definitions for Doorway

(noun) the means or right of entering or participating in
(noun) the opening through which one can enter or leave a structure
(noun) the entrance (the space in a wall) through which you enter or leave a room or building ; the space that a door can close