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rms

1 American  
Or r.m.s.

  1. (often initial capital letter) root mean square.

R.M.S. 2 American  

abbreviation

  1. Railway Mail Service.

  2. British. Royal Mail Service.

  3. British. Royal Mail Steamship.

RMS 1 British  

abbreviation

  1. Royal Mail Service

  2. Royal Mail Steamer

"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
rms 2 British  

abbreviation

  1. root mean square

"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.

Since an AC voltage is applied, there is an rms current, but it is limited by the capacitor.

From Textbooks • Aug. 12, 2015

Although a capacitor is basically an open circuit, there is an rms current in a circuit with an AC voltage applied to a capacitor.

From Textbooks • Aug. 12, 2015

The distribution has a long tail, because a few molecules may go several times the rms speed.

From Textbooks • Aug. 12, 2015

You can think of these rms and average values as the equivalent DC values for a simple resistive circuit.

From Textbooks • Aug. 12, 2015

The most likely speed vp is less than the rms speed vrms .

From Textbooks • Aug. 12, 2015

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.