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  • Rf
    Rf
    rutherfordium.
  • RF
    RF
    abbreviation
  • rf.
    rf.
    abbreviation
    right fielder.
  • r.f.
    r.f.
    abbreviation
    range finder.
  • R.F.
    R.F.
    abbreviation
    Reserve Force.
  • RF-
    RF-
    abbreviation
    reconnaissance fighter
  • rf
    rf
    abbreviation
    rinforzando
Synonyms

Rf

1 American  
Symbol, Chemistry, Physics.
  1. rutherfordium.


RF 2 American  

abbreviation

  1. Also rf radiofrequency.

  2. Russian Federation.


rf. 3 American  

abbreviation

Baseball.
  1. right fielder.


r.f. 4 American  

abbreviation

  1. range finder.

  2. rapid-fire.

  3. reducing flame.

  4. Baseball. right field.


R.F. 5 American  

abbreviation

  1. Reserve Force.


RF- 1 British  

abbreviation

  1. reconnaissance fighter

    RF-4E

"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

RF 2 British  

abbreviation

  1. radio frequency

"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

Rf 3 British  

symbol

  1. rutherfordium

"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

rf 4 British  

abbreviation

  1. Also: rfz.  rinforzando

"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:

Rf reflectometry works by sending radio frequency signals into a transmission line and then measuring the reflected signals to obtain information about samples.

From Science Daily Oct. 20, 2023

Actinium, Ac, is the first member of the fourth transition series, which also includes Rf through Rg.

From Textbooks Feb. 14, 2019

Inari’s core RF business is expected to recover, aided by client Broadcom’s long-term supply agreement with a major North American smartphone customer through 2031, he adds.

From The Wall Street Journal Jul. 14, 2026

It also acquired parachute maker Pioneer Aerospace in 2023 and specialty RF filter firm Akoustis in 2025 after each of those companies filed for bankruptcy.

From MarketWatch Apr. 2, 2026

The RF chip measures about 400 by 400 micrometers and is a commercially available component that does not biodegrade.

From Science Daily Jan. 13, 2026

And if you liked RF Kuang's YellowFace, you will also enjoy this novel's satirical take on the publishing industry.

From BBC Dec. 24, 2025

A folding RF antenna that can be raised and lowered from inside.

From "All the Light We Cannot See" by Anthony Doerr

Baker, Howard, Foster, Henderson, Goldsborough Robinson, Hill. 3d b. sub. 2d b. coach. r.f. sub. sub.

From Harper's Round Table, June 18, 1895 by Various

Wood says that staffers have recently been enthralled with R.F.

From Seattle Times Feb. 23, 2024

Among the excluded authors were two Western writers of Chinese descent: R.F.

From New York Times Feb. 17, 2024

It all began when esteemed sci-fi authors like Neil Gaiman, R.F.

From Salon Feb. 16, 2024

Portraying Brown, Brandon Burks handles the jokey face-making, pose-striking duties well, and ever-reliable Peter Van Norden amiably smooths the sharp edges of studio chief R.F.

From Los Angeles Times Apr. 19, 2019

Then comes a discussion of the doubtful wisdom of the movement by a European official who has long dwelt in China, Mr. R.F.

From The Great Events by Famous Historians, Volume 21 The Recent Days (1910-1914) by Horne, Charles F. (Charles Francis)

But in devices employing bilayer graphene, the presence of significant stray capacitance in the measurement circuit leads to rf leakage and less-than-optimal resonator properties.

From Science Daily Oct. 20, 2023

Otsuka and his team's proposed improvements to rf reflectometry provide important contributions to the development of next-generation devices such as quantum computers, and the exploration of physical properties using two-dimensional materials, such as graphene.

From Science Daily Oct. 20, 2023

For as the whole tr, that is rf, is unto the greater segment that is to fh: so fh, that is zg, is unto gr.

From The Way To Geometry by Bedwell, William

The first nine were Keefe p, Ewing c, Connor 1b, Richardson 2b, Whitney 3b, Ward ss, O'Rourke lf, Slattery cf, and Tiernan, rf, these playing the nine positions respectively.

From Spalding's Baseball Guide and Official League Book for 1889 by Chadwick, Henry

This is to prevent the oscillator from exciting lateral rf resonances.

From LRL Accelerators The 184-Inch Synchrocyclotron by Laboratory, Lawrence Radiation

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