In science, water is a chemical substance, consisting of aggregates of H2O molecules, found existing in one of three states: gas, liquid, or solid.
Greek philosopher Plato, in his circa 360BC dialogue Timaeus, supposedly following Pythagoras, introduced the four element version of geometric atomic theory proposition that ideal geometric forms serve as atoms, according to which atoms broke down mathematically into triangles, such that the form elements had the following shape: fire (tetrahedron), air (octahedron), water (icosahedron), earth (cube). [1]
References 1. (a) Scott, George P. (1985). Atoms of the Living Flame: an Odyssey into Ethics and the Physical Chemistry of Free Will (pgs. 58). University Press of America. (b) Timaeus (dialogue) – Wikipedia. 2. (a) Shubin, Neil. (2013). The Universe Within: Discovering the Common History of Rocks, Planets, and People (§: pg. #; end note, pg. 198). Random House. (b) Krulwich, Robert. (2013). “Born Wet, Human Babies are 75 Percent Water. Then Comes Drying” (Ѻ), NPR, Nov 26.