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To begin your search, go to the alphabetical index below and click on the first letter of the word you are searching for.

nano-

The combining form nano- has two meanings.

Meaning 1: one billionth

  • A nanometre is one billionth of a metre.
  • It takes approximately 1.017 nanoseconds for light to travel 1 foot.

Meaning 2: very small, tiny

  • I wouldn’t spend even a nanosecond of my time reading that trash!