[meaning]

Category:Sea Words

Protection and indemnity insurance

Category:Sea Words

Pleasure Yacht.

Category:Abbreviations

P&I

Protecting & Indemnity Club. Theoretically an organization settled by a group of Owners to insure, among other, liabilities not covered by the Hull and Machinery insurances. (Insiurance Clubs)

Category:Abbreviations

Pushing and Towing Purposes.

Category:Abbreviations

Abbreviation for precipitation effectiveness index.

Category:Meteorology

Abbreviation for precipitation-evaporation quotient.

Category:Meteorology

Abbreviation for precipitation-evaporation ratio.

Category:Meteorology

A semiconductor (phtovoltaic) device structure that layers an intrinsic semiconductor between a p-type semiconductor and an n-type semiconductor; this structure is most often used with amorphous silicon PV devices.

Category:Energy Terms

A semiconductor in which holes carry the current; produced by doping an intrinsic semiconductor with an electron acceptor impurity (e.g., boron in silicon).

Category:Energy Terms

Agricultural Trade Development and Assistance Act of 1954.

Category:Sea Words

Mandates that 50 percent of government impelled cargoes be carried under U.S. flag. Known as the 50/50 shipping law.

Category:Abbreviations

Abbreviation for the pressure, temperature, and humidity data obtained by a radiosonde observation.

Category:Meteorology

P/N

A semiconductor (photovoltaic) device structure in which the junction is formed between a p-type layer and an n-type layer.

Category:Energy Terms

P/T

Pusher/Tag.

Category:Abbreviations

Passenger/Training ship.

Category:Abbreviations

P/V

Pressure Vacuum (Valve)

Category:Abbreviations

Passenger/Vehicles Ferry.

Category:Abbreviations

P1

Measuring point for compressor acceptance test. Pressure at the compressor inlet flange.

Category:Sea Words

P2

Measuring point for compressor acceptance test. Pressure at the compressor outlet flange.

Category:Sea Words