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  • rho
    rho
    noun
    the 17th letter of the Greek alphabet (P, ρ).
  • Rho.
    Rho.
    abbreviation
    Rhodesia.

rho

1 American  
[roh] / roʊ /

noun

  • rhos
    plural
  1. the 17th letter of the Greek alphabet (P, ρ).

  2. the consonant sound represented by this letter.


Rho. 2 American  
Or Rhod

abbreviation

  1. Rhodesia.


rho British  
/ rəʊ /

noun

  1. the 17th letter in the Greek alphabet (Ρ, ρ), a consonant transliterated as r or rh

"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

Other Word Forms

Noun Inflected Forms


Etymology

Origin of rho

1350–1400; Middle English < Greek rhô


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:

As a result, the rho protein collides with the polymerase.

From Textbooks ● Jun. 9, 2022

Tashiro, A., Minden, A. & Yuste, R. Regulation of dendritic spine morphology by the rho family of small GTPases: antagonistic roles of Rac and Rho.

From Nature ● Oct. 31, 2017

And that's R-H-O, as in the Greek letter rho.

From Slate ● Jan. 31, 2013

After nagging one of his fellow patrons to borrow a diamond-encrusted snuff box, the owner succumbed, but not before scribbling in its lid the Greek letters phi and rho, or "Fie, Rowe!"

From BBC ● Jan. 16, 2013

Take, for example, the word katoptron; why is the letter rho inserted?

From Cratylus by Benjamin Jowett

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