Dictionary.com
Thesaurus.com
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.

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

Rf Pistol Pete has been in the money in each of his two starts at Emerald.

From Seattle Times

Based on the Rf values, do the pigments look like they're the same in different types of red flowers?

From Scientific American

Based on the Rf values, can you identify which dyes are used in the different colored M&M candies by comparing them with the known food coloring dyes?

From Scientific American