megapixel

The word 'megapixel' is a modern technological compound formed in the late 20th century. Its first element, 'mega-', is borrowed directly from the Greek adjective megas, meaning 'great' or 'large', and was adopted into the metric system as a standard prefix for one million. The second element, 'pixel', is a quintessential digital-age creation, blending 'pix' (a casual term for pictures) with 'element' to denote the smallest controllable unit of a digital image. Thus, 'megapixel' logically and literally means 'one million picture elements', directly quantifying the resolution capacity of digital imaging devices by counting these fundamental building blocks.

Structure: mega (large) + pixel (picture element) - mega: From Greek megas (great, large). A prefix denoting a factor of one million (10⁶) or, more generally, something very large. - pixel: A modern English portmanteau of "pix" (a colloquial shortening of "pictures") and "element". The "pix" element itself originates from Latin pictura (painting, picture).