PF

I. abbreviation

1. often not capitalized pianoforte

2. often not capitalized picofarad

3. often not capitalized [Italian più forte] a little louder

4. often not capitalized power factor

5. procurator fiscal

6. pro forma

II. abbreviation

Usage: usually not capitalized

personal foul

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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