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rho

noun
\ ˈrō How to pronounce rho (audio) \

Definition of rho

: the 17th letter of the Greek alphabet — see Alphabet Table

Examples of rho in a Sentence

Recent Examples on the Web

 If the electrons and positrons had originated from persistent rho particles with a characteristic energy or mass, there would have been a bump in the curve. — Quanta Magazine, "Physicists Peer Inside a Fireball of Quantum Matter," 30 July 2019 But the rho meson turned out to be something of a special case, and the bootstrap method soon lost momentum. — Quanta Magazine, "Physicists Uncover Geometric ‘Theory Space’," 23 Feb. 2017

First Known Use of rho

15th century, in the meaning defined above

History and Etymology for rho

Greek rhō, of Semitic origin; akin to Hebrew rēsh resh

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