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

  • adj. Producing, carrying, or powered by a single alternating voltage.

from The Century Dictionary and Cyclopedia

  • In electricity, noting a system of electric distribution by alternating currents produced by a single alternating electromotive force, in which therefore all the currents are in phase with each other, that is, reverse simultaneously in direction, or differ in phase only so far as is due to the different character of the circuits in which they flow.


Sorry, no etymologies found.


  • The largest single-phase residential construction in the world is the Jumeirah Beach Walk, locally known as JBR.

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  • The key point is that that the judges appear to be going with a single-phase trial, beginning on January 26, two weeks before Coleman wanted to begin the first of his several mini-trials.

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  • The problem would be that at least the ASKO washers and dryers that I looked at in the past in the US require 220 volt single-phase service to operate (both heating water and running drying elements sucks up a lot of juice).

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  • The ghani is powered by a 2 hp single-phase electric motor.

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  • It failed to make headway on the earlier opening demands for a new leaders 'forum and for a single-phase transition to replace the multiparty process.

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  • The ANC had earlier agreed to the agenda for Monday's bilateral meeting, and in discussing the first item had said that bridging the differences between parties wanting two - and single-phase transition was the key issue, the Alliance said.

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  • PV = power loss in per cent direct current single-phase alternating current three-phase alternating current

    11. Basic symbols and formulas of electrical engineering

  • Powers in case of single-phase alternating current apparent power

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  • In the case of the single-phase machine these are distributed around some two thirds of the total circumference whereas, in the case of a three phase synchronous machine, three coils have each been displaced spatially within 120 degrees.

    4. Synchronous machines

  • Transformers single-phase transformer with iron core (if errors cannot be made, the core need not be drawn) single-phase transformer with iron-core and 3 windings (core not represented) three-phase transformer in star-star connection (core not represented) three-phase transformer, star-delta connection three-phase autotransformer in star connection

    1. Selected Graphical Symbols of Electrotechnology


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