from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A unit of electric current equal to one millionth of an ampere.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. One millionth ( 10-6 ) of an ampere, abbreviated as µA.

from the GNU version of the Collaborative International Dictionary of English

  • n. One of the smaller measures of electrical currents; the millionth part of one ampère.

from The Century Dictionary and Cyclopedia

  • n. A unit employed in the measurement of very small electric currents; one millionth of an ampere or 1 × 10- c. g. s. units of current.


from Wiktionary, Creative Commons Attribution/Share-Alike License

micro- +‎ ampere


  • The vacuum chamber is 60 inches in diameter, and it produces 100 microampere currents of 16 million volt deuterons.

    Nobel Prize in Physics 1939 - Presentation Speech

  • The scientists were able to achieve a 200-microampere-per-square-cm current density and an open-circuit voltage of - latest science and technology news stories

  • To ensure that the LIN node's current consumption is well below 100 microampere in applications that are continuously connected to the battery, the ATA6617 provides several current saving modes where different functionalities are individually switched off or on, depending on the application requirements.


  • Simple assignment of an individual physical LIN node address, which is important in applications such as air-conditioning systems, can be realized by using an integrated 100 microampere current source.


  • This thing over my head is like a wireless telephone receiver, capable of detecting a current of even a quarter of a microampere. "

    The Dream Doctor


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