Rho
//ɹəʊ// name, noun
name, noun ·Rare ·Advanced level
Definitions
Noun
- 1 The seventeenth letter of the Modern Greek and Classical alphabets and the nineteenth letter of Old and Ancient.
"Greek was an exercise in making the familiar strange. Its alphabet mapped onto the Roman alphabet, but only partly so, and often letters did not sound how they looked – a rho (Ρ) was not a P, and an eta (Η) was not an H."
- 2 Any of a family of GTP-binding proteins
- 3 the 17th letter of the Greek alphabet wordnet
- 4 The sensitivity of the option value to the risk-free interest rate.
Proper Noun
- 1 A town and comune in the Metropolitan City of Milan, Lombardy, Italy.
Example
More examples"Greek was an exercise in making the familiar strange. Its alphabet mapped onto the Roman alphabet, but only partly so, and often letters did not sound how they looked – a rho (Ρ) was not a P, and an eta (Η) was not an H."
Etymology
From the name of the Ancient Greek letter ῥῶ (rhô).
Related phrases
More for "rho"
Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.