cmH2O
Translingual
Etymology
cm (“centimeter”) + H2O (“water”)
Symbol
mmH2O
- abbreviation of centimeter of water (“a unit of pressure, the pressure exerted by a column of water of 1 cm in height at 4 °C (in standard conditions, the temperature at which water has maximum density, in standard Earth gravity)”)
Synonyms
- cm.g
- cm.w.g.
- cm.wc