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current density

American  

noun

Electricity.
  1. the amount of current flowing through a given cross-sectional area in a given time interval: usually measured in amperes per square centimeter.


current density British  

noun

  1.  J.  the ratio of the electric current flowing at a particular point in a conductor to the cross-sectional area of the conductor taken perpendicular to the current flow at that point. It is measured in amperes per square metre

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

In forward bias, it exhibited a current density of 11 mA/cm2 at 181 mV overpotential.

From Science Daily • Nov. 15, 2023

"Essentially, we want electrodes that don't corrode, while still supporting the high electrical current density required for effective operation."

From BBC • Jul. 13, 2023

The city’s nearly completed plan calls for 8,152 housing units and 22,751 jobs near the station over 23 years, nearly quadruple current density.

From Seattle Times • Jan. 28, 2022

Theoretical models can relate the density then to the density now; thus, measurements of the abundance of deuterium today can give us an estimate of the current density of the universe.

From Textbooks • Oct. 13, 2016

The solutions are mixed and filtered at about 40° C. This solution works well at ordinary temperatures, or slightly warm, with a current density of ten ampères per square foot.

From On Laboratory Arts by Threlfall, Richard