Definition of "PH"

Initialism of public house.  examples

Initialism of penthouse.  examples

(law) Initialism of preliminary hearing.  examples

(health, policy) Initialism of public health.  examples

Initialism of public holiday.  examples

(computer science) Initialism of polynomial hierarchy.  examples

(Malaysia, politics) Initialism of Pakatan Harapan.  examples

(business, hydrology) Initialism of professional hydrologist.