rho

[ roh ]

/ roʊ /

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noun, plural rhos.

the 17th letter of the Greek alphabet (P, ρ).

the consonant sound represented by this letter.

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Origin of rho

1350–1400; Middle English <Greek rhô

Words nearby rho

rhizopod, rhizopus, rhizosphere, rhizotomy, Rh negative, rho, rhod-, Rhoda, rhodamine, Rhode Island, Rhode Island bent

Other definitions for rho (2 of 2)

Rho.

or Rhod

abbreviation

Rhodesia.

How to use rho in a sentence

Pions don’t possess spin, but rho mesons do, so they must contribute to the overall spin of the proton in a way Alberg and Miller hope to determine.
Decades-Long Quest Reveals Details of the Proton’s Inner Antimatter|Natalie Wolchover|February 24, 2021|Quanta Magazine
RHO now has a roster of international clients and fifty employees.
A Woman Blogger’s Scoop Helped Save Tunisia From Islamists|Thomas A. Bass|April 6, 2014|DAILY BEAST
Peace was agreed upon, and Demetrius retreated, giving up to the Rho´di-ans all the mighty war engines he had brought with him.
The Story of the Greeks|H. A. Guerber
The original Greek included a variant form of "rho" which could not be duplicated.
Blackwood's Edinburgh Magazine, Volume 56, Number 350, December 1844|Various

For example, what business has the letter rho in the word katoptron, or the letter sigma in the word sphigx?
Cratylus|Plato
We can understand one another, although the letter rho accent is not equivalent to the letter s: why is this?
Cratylus|Plato
I think that Donaldson and Mone are unquestionably wrong in making the name of this river Rho-dan-us, from a word dan, water.
The River-Names of Europe|Robert Ferguson

British Dictionary definitions for rho

rho

/ (rəʊ) /

noun plural rhos

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