Megapixel (noun)

1. A unit of measure for the resolution of digital images, equal to one million pixels.
2. A unit used to express the resolution of digital images, which is equal to one million pixels.

Origin:

From the greek words "mega" meaning "large" and "pixel" meaning "picture element".

Examples:

1. The new phone has a 12-megapixel camera.
2. The camera's resolution is measured in megapixels.
3. The megapixel count determines the level of detail in a photo.
4. Higher megapixel cameras are capable of producing larger, more detailed images.
5. The megapixel technology has greatly improved over the years.