phase diagram

noun — 2 senses

phase diagram

noun

Chemistry, Natural sciences, Physical sciences, Physics A graph, with axes representing temperature and pressure, showing the equilibrium conditions for a given substance to be a solid, liquid or gas.

A similar diagram for a binary mixture of substances, with axes representing composition and temperature.

Related terms: critical point, eutectic, eutectic point, liquidus, phase space, solidus, solvus, triple point

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.