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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

Even getting the RF off the line smartly can be tricky.

From The Wall Street Journal May 23, 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

Chan cuts Inari’s FY2026-FY2028 earnings estimates by 21%-24% to factor in lower RF loading volumes.

From The Wall Street Journal Apr. 1, 2026

The antenna receives a signal from an external reader and, working with a small RF chip, sends back confirmation that the pill has been swallowed.

From Science Daily Jan. 13, 2026

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

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

With her new novel “Yellowface,” New York Times bestselling author R.F.

From Seattle Times May 17, 2023

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

It is dealt with at length in R.F. p.

From The Religious Experience of the Roman People From the Earliest Times to the Age of Augustus by W. Warde Fowler

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

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

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

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

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

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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