bicron (µµ)
bicron (µµ) :
An obsolete metric unit of distance, defined as 10-12 meter or 10-6micron. This distance is now called a picometer (pm). The name is a reference to the double prefix in "micromicron"
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An obsolete metric unit of distance, defined as 10-12 meter or 10-6micron. This distance is now called a picometer (pm). The name is a reference to the double prefix in "micromicron"