Definition: MacBookAir is a personal computer model introduced by Apple in 2007. It was designed as a thin, sleek, and portability-focused laptop. The device has been updated several times since then. Detailed Definition: - MacBook Air: A personal computer model introduced by Apple in the year 2007. - Thin: A physical shape or size that is slender and compact. - Sleek: With a slim profile and minimalistic design. - Portable: Suitable for traveling or on-the-go usage, often used as a tablet computer.