pF

symbol

— used when p denotes logarithm and F indicates free energy to express logarithmically the water-holding energy of soil that is usually measured by the height in centimeters of a column of water which produces a tension of equal force

a tension of 40 centimeters equals pF 1.6

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picofarad; picofarads.

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abbrev

1. Patriotic Front

2. Procurator Fiscal

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pf (no periods),

Music. a little louder (as a direction; Italian, più forte).

pf.,

1. pfennig.

2. preferred.

pF (no periods),

picofarad.

PF (no periods),

1. popular forces.

2. productivity factor.

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abbr.

■ perfect

■ pfennig

■ pianoforte; piano

■ preferred (stock)

■ proof