noun which may take the genitive case particle 'no', noun
uninstalled; not yet set up; projected
Technical term used in engineering, construction, or planning contexts to describe equipment, facilities, or systems that have not been installed or are still in the planning stage. The antonym is 既設 (already installed).
Antonyms: 既設
The air conditioner that hasn't been installed yet is scheduled to be set up next month.
On this blueprint, the pipes that are not yet installed are shown with dotted lines.
Compound of 未 (mi, 'not yet') and 設 (setsu, 'establish' or 'install'). The exact historical derivation is uncertain, but it follows a common Sino-Japanese word-formation pattern.