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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.

See Examples For:

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

From Textbooks ● Aug. 12, 2015

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

From Textbooks ● Aug. 12, 2015

What will be the ratio of kinetic energies and rms speeds of a nitrogen molecule and a helium atom at the same temperature?

From Textbooks ● Aug. 12, 2015

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

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

Yang, alongside co-writer Anna Drezen, imagined the iceberg as a pop diva whose sinking of the R.M.S.

From Salon ● Feb. 17, 2025

Until then, Congress declared, “no person should physically alter, disturb, or salvage the R.M.S. Titanic.”

From New York Times ● Aug. 30, 2023

It takes eight hours and $250,000 to get to what remains of the R.M.S.

From National Geographic ● Jun. 20, 2023

An ambitious digital imaging project has produced what researchers describe as a “digital twin” of the R.M.S.

From New York Times ● May 17, 2023

This was an application arising out of the loss of R.M.S.

From Mr. Meeson's Will by Henry Rider Haggard

Are Cartier Love bracelets about to replace the Hermès RMS -0.24%decrease; red down pointing triangle Birkin bag as the product that drives the best shareholder returns in the luxury-goods industry?

From The Wall Street Journal ● Jul. 22, 2026

The auction comes as Southampton marked the 114th anniversary of the RMS Titanic tragedy at a memorial on 14 April.

From BBC ● Apr. 18, 2026

But resale values suggest that even rare goods such as Hermès RMS 0.42%increase; green up pointing triangle Birkin bags and Rolex watches aren’t pulling in crowds like they used to.

From The Wall Street Journal ● Jan. 26, 2026

“This failure will produce a significant danger to the citizens of Los Angeles County, which can be averted through the immediate modernization and replacement of the CAD and RMS systems.”

From Los Angeles Times ● Jan. 3, 2025

That’s what happened in March 1942, when Elizebeth discovered that the Nazis were planning to ambush the RMS Queen Mary, which had over eight thousand American servicemen on board.

From "The Woman All Spies Fear" by Amy Butler Greenfield

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