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Important notice

Good news! We have updated our writing tools. Writing Tips and The Canadian Style have been combined to create a new tool called Writing Tips Plus.

Don’t forget to update your bookmarks. Within a few weeks, Writing Tips will no longer be available.

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


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!