1. In philosophy, intrinsic properties of objects that exist independently of perception, such as size, shape, motion, and solidity (Locke's theory)
According to Locke, primary qualities like extension and shape exist in objects whether or not anyone perceives them.
De acordo com Locke, qualidades primárias como extensão e forma existem nos objetos independentemente de alguém percebê-los.
2. Physical characteristics of matter that are considered objective and measurable
Mass, velocity, and volume are considered primary qualities of physical objects.
Massa, velocidade e volume são considerados qualidades primárias dos objetos físicos.