Definition of Direct current

1. Noun. An electric current that flows in one direction steadily.

Exact synonyms: Dc, Direct Electric Current
Generic synonyms: Electrical Energy, Electricity
Antonyms: Alternating Current

Definition of Direct current

1. Noun. an electric circuit in which voltage and current do not vary with time ¹

2. Noun. an electric current in which the electrons flow in one direction, but may vary with time ¹

¹ Source:

Medical Definition of Direct current

1. (DC) Electric current which travels continuously in the same direction over a sustained period of time, contrast with AC (Alternating Current) which oscillates as a function of time. (09 Oct 1997)

Lexicographical Neighbors of Direct Current

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direct Coombs' test
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direct antonym
direct bilirubin
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direct contamination
direct contrast
direct correlation
direct current (current term)
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direct filling resin
direct fire
direct flap

Literary usage of Direct current

Below you will find example usage of this term as found in modern and/or classical literature:

1. Convention by National Electric Light Association Convention, National Independent Meat Packers Association, University of Georgia College of Agriculture, University of Georgia Dept. of Food Science (1905)
"Sum up the relative advantages and economy of using direct-current enclosed-arc ... The direct-current lamps give a better distribution of light than the ..."

2. Principles and Practice of Electrical Engineering by Alexander Gray (1917)
"To transform from alternating to direct current, the motor-generator set may consist of either an induction or a synchronous motor, direct connected to a ..."

3. Principles and Practice of Electrical Engineering by Alexander Gray (1917)
"381 shows an alternator such as that on page 241 connected to a direct-current generator which has the same number of poles. ..."

4. A Course in Electrical Engineering by Chester Laurens Dawes (1922)
"Methods of Obtaining direct current from Alternating Current.—At the present time, over 90 per cent, of electrical energy is generated and transmitted as ..."

5. Science by American Association for the Advancement of Science (1922)
"Complete Dynamo Electric Machinery Apparatus For Demonstrating direct current Motors and Generatori Alternating Current Rotating Field and Induction Motor ..."

6. Transactions of the American Institute of Electrical Engineers by American Institute of Electrical Engineers (1920)
"An instructive analysis of conditions during direct-current short circuits is shown by several photographs, oscillographs and diagrams. ..."

7. Principles of Alternating Current Machinery by Ralph Restieaux Lawrence (1920)
"SYNCHRONOUS CONVERTERS CHAPTER XXXV MEANS OF CONVERTING ALTERNATING CURRENT INTO direct current Means of Converting Alternating Current into direct current. ..."

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