Definition of "instal" [instal]

• Alternative spelling of install. (verb)
• To pay by instalments. (verb)
• Installation. (noun)

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• "In an act of vandalism, the navy had blown this off in 1971 to instal a beacon, which probably never worked."
• "S: Landing with autopilot does not instal with this airplane type."
• "The commons authorities reported a rise in employees seeking permission to instal electric kettles and toasters in their offices to save money."