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English word picometer comes from English meter, English pico-
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meter (English)
(always meter) (dated) One who metes or measures.. (always meter) A device that measures things.. (always meter) A parking meter or similar device for collecting payment.. (chiefly, _, US, elsewhere metre) (music) An increment of music; the overall rhythm; particularly, the number of beats in a measure.. (chiefly, _, US, elsewhere metre) A line above or below a hanging net, to which the net [...]
pico- (English)
In the International System of Units and other metric systems of units, multiplying the unit to which it is attached by 10−12. Symbol: p.
picometer (English)
(US) (metrology) An SI unit of length equal to 10−12 meters; alternative spelling of picometre.