mmH2O

== Translingual == === Etymology === mm (“millimeter”) +‎ H2O (“water”) === Symbol === mmH2O Abbreviation of English millimeter of water (“a unit of pressure, the pressure exerted by a column of water of 1 mm in height at 4 °C (in standard conditions, the temperature at which water has maximum density, in standard Earth gravity)”) ==== Synonyms ==== ==== Related terms ==== ==== See also ====