Spare device Synonyms

Spare replaced

additional device

backup device

unused device

Definitions for Spare

(adjective) being over what is needed
(adjective) giving or sharing as little as possible
(adjective) having a noticeably small amount of body fat

SD abbreviation

SD is an abbreviation for Spare Device

What does SD stand for?

SD stands for "Spare Device"

Device replaced

Definitions for Device

(noun) a clever often underhanded means to achieve an end
(noun) an article intended for use in work
(noun) an instrumentality invented for a particular purpose