Initialism of parts per billion.

(economics) Initialism of production-possibility boundary.

Initialism of purchasing power parity. / Initialism of pearly penile papules. / Initialism of public-private partnership. / Initialism of perfect passive participle.

(computing) Initialism of Point-to-Point Protocol.

(sciences) parts per million by volume

Initialism of part per trillion.

plural of PPPoE

Point-to-Point Protocol over Ethernet, a network protocol for encapsulating PPP frames inside Ethernet frames.

Alternative letter-case form of PPG

Abbreviation of percentage points.