👉 Megapixel in context refers to a camera sensor that captures about one million pixels, often used by professional photographers for macro photography and high-resolution imaging applications. The definition is: - A megapixel is defined as one million pixels per inch or 1/320 millimeters on the film surface. It can vary depending on the specific camera and its resolution. - Megapixels are a measure of detail captured by cameras, with more being generally considered superior quality for high-resolution applications like photography. - The word "megapixel" is derived from the Greek word "megas", which means "much". In this context, it refers to how many pixels can be captured by a camera in a given area on a screen or surface.