CEFR C1

phase diagram

noun phrase

Meaning

A graphical representation of the different states of a substance, such as solid, liquid, or gas, and the conditions under which they exist, typically plotted against temperature and pressure.

Examples

  • The phase diagram of water shows that it can exist as a solid, liquid, or gas, depending on the temperature and pressure.
  • The engineer used the phase diagram to determine the optimal conditions for the chemical reaction.