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pico-

pico-

5.9
A metric prefix meaning one trillionth of a unit
  • other
  • /ˈpiːkoʊ/
  • Specialized
translation icon : pico
  • A single pico-meter is one trillionth of a meter, which is an incredibly small measurement.

This is an exquisite force sensor, you know, so thinking about, can you give people a concept of what a Pico Newton is?

Examples

  • In electronics, a pico-farad is a unit of capacitance equal to one trillionth of a farad.

  • This is an exquisite force sensor, you know, so thinking about, can you give people a concept of what a Pico Newton is?

  • When discussing the size of atoms, scientists often use the pico- scale to express distances.

How Small

pico-
  • Specialized
5.9
nano
  • Specialized
3.7
micro
4 5.1

Surface Forms

pico- main

Etymology

Pico- was chosen for the metric system from Spanish and Italian words for 'a very small bit', similar to Italian piccolo ('small'). That's why pico- means 'one trillionth' (10^-12) and a pico-second is 'one trillionth' of a second, marking very tiny amounts.