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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

Management guided further upside from higher RF content per device, and new opportunities in optical communications components to increase its exposure to AI-related connectivity, he notes.

From The Wall Street Journal ● Sep. 1, 2026

The treatment also reduced rheumatoid arthritis markers including RF, CCP-Ab, CRP, and MMP-3.

From Science Daily ● Jul. 23, 2026

Traditional MRI antennas, also known as RF coils, often have trouble collecting enough signal from tissues located deep inside the body or in anatomically complex regions.

From Science Daily ● Jul. 10, 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

He dials up the RF gain, adjusts the filter.

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

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

District Court Judge Barbara Rothstein would divide the bulk of the money between the estate’s attorneys and Faletogo’s two minor children, identified by the initials A.F. and R.F. in court documents.

From Seattle Times ● Oct. 13, 2021

Finalists in the novel category included Mary Robinette Kowal's "The Calculating Stars" and R.F.

From Los Angeles Times ● Feb. 21, 2019

The principal ornamental motive consists of a cartouche which bears in the centre two large letters "R.F." in gold.

From The American Architect and Building News, Vol. 27, No. 733, January 11, 1890 by Various

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

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

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

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 William Bedwell

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 Henry Chadwick

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