Isn't 0.01 °C the triple point of water (the temperature at which the three phases of water are in a thermodynamic equilibrium)? The triple point is a better s

Isn't 0.01 °C the triple point of water (the temperature at which the three phases of water are in a thermodynamic equilibrium)? The triple point is a better standard and is used now, but it's not exactly 0 °C because that was defined by calling the melting point of water 0 °C.