picometer

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Related to picometre: nanometre, Micrometre

picometer

One trillionth of a meter. Pronounced "pee-co-meter," picometers are used to measure atomic structures. See nanometer.
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References in periodicals archive ?
1 In the world of extremely small measurements, how many femtometres are there in a picometre? 2 Apart from Michael Douglas, which Hollywood star's birth name was Michael Douglas (changed because actors' guild rules forbid such clashes)?
The accuracy required to detect such a subtle change is phenomenal: around a hundredth the size of an atom - a picometre.
As shown in Figure 1, computational chemistry encompasses phenomena taking place in the time and length scales from femto second to microsecond and from picometre to micrometre (Hung et al., 2004).