Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun One billionth (10−9) of an ampere.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun metrology An SI unit of electrical current equal to 10−9 amperes.

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

nano- +‎ ampere.

Examples

  • Upon running a wire from the stressed end to the front end, where a copper electrode is attached, a current of about 1 nanoampere is obtained.

    SPACE.com

  • Upon running a wire from the stressed end to the front end, where a copper electrode is attached, a current of about 1 nanoampere is obtained.

    SPACE.com

  • Upon running a wire from the stressed end to the front end, where a copper electrode is attached, a current of about 1 nanoampere is obtained.

    SPACE.com

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