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pickpocket
pickup
pickup truck
Pickwickian
picky
picloram
picnic
picnic races
pico-
Pico de Teide
picofarad
picogram
picoline
picomole
picong
picoplankton
picornavirus
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pico-

pico-


prefix 
Definition:
 
1. one trillionth: one trillionth (10-12)
Symbol  p

picofarad

2. very small
picornavirus

[Via Spanish pico "beak, small amount" < Latin beccus (see beak)]
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