Absolute space is a concept in physics that refers to a hypothetical 3-dimensional space that exists independently of any objects or phenomena within it. Synonyms for absolute space include Euclidean space, Newtonian space, and three-dimensional space. Euclidean space is named after the ancient Greek mathematician Euclid and refers to the mathematical framework used to describe the properties of space and geometry. Newtonian space is named after Sir Isaac Newton, who developed the principle of absolute space in the 17th century. Three-dimensional space is a more general term that refers to any space that has three dimensions, regardless of its properties or theoretical underpinnings. All of these terms have been used in different ways to describe the fundamental structure of space.