Standard Lemma guide

rho

name · noun · 5 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

Each Play button uses your device's default local English voice, or a natural local fallback. The selected voice name appears after playback. This is synthesized speech, not a source recording.

  • US: Recorded audio is listed in the source snapshot.
  • Received-Pronunciation: /ɹəʊ/
  • General-American: /ɹoʊ/
  • US: Recorded audio is listed in the source snapshot.
  • homophone: roe
  • homophone: Roe
  • homophone: Wroe
  • homophone: row
  • homophone: Rowe (toe–tow merger)
  • rhymes with -əʊ
  • CMU ARPABET: R OW1 Digits mark lexical stress: 1 primary, 2 secondary, 0 unstressed.

1

name

Meaning 1

A town and comune in the Metropolitan City of Milan, Lombardy, Italy.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

The seventeenth letter of the Modern Greek and Classical alphabets and the nineteenth letter of Old and Ancient.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

The sensitivity of the option value to the risk-free interest rate.

Definition source: English Wiktionary via Wiktextract

Topics: business, finance

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

Any of a family of GTP-binding proteins

Definition source: English Wiktionary via Wiktextract

Topics: biochemistry, biology, chemistry, microbiology, natural-sciences, physical-sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

5

noun

Meaning 5

the 17th letter of the Greek alphabet

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

Broader terms: letter, letter of the alphabet, alphabetic character

History

Etymology

From the name of the Ancient Greek letter ῥῶ (rhô).

Across languages

Translations

31 source translations are retained for this English entry.

  • Arabic: رُو (rū) — letter of Greek alphabet
  • Asturian: ro — letter of Greek alphabet
  • Catalan: ro — letter of Greek alphabet
  • Chinese Mandarin: 肉 (ròu) — letter of Greek alphabet
  • Chinese Mandarin: 若 (ruò) — letter of Greek alphabet
  • Chinese Mandarin: 柔 (róu) — letter of Greek alphabet
  • Dutch: rho — letter of Greek alphabet
  • Esperanto: roto — letter of Greek alphabet
  • Finnish: rhoo — letter of Greek alphabet
  • French: rhô — letter of Greek alphabet
  • French: rho — letter of Greek alphabet
  • German: Rho — letter of Greek alphabet
  • Greek: ρο (ro) — letter of Greek alphabet
  • Ancient Greek: ῥῶ (rhô) — letter of Greek alphabet
  • Hebrew: רוֹ (ro) — letter of Greek alphabet
  • Hungarian: ró — letter of Greek alphabet
  • Interlingua: rho — letter of Greek alphabet
  • Irish: ró — letter of Greek alphabet
  • Japanese: ロー (rō) — letter of Greek alphabet
  • Korean: 로 (ro) — letter of Greek alphabet
  • Latin: rhō — letter of Greek alphabet
  • Malay: ro — letter of Greek alphabet
  • Māori: rōu — letter of Greek alphabet
  • Polish: rho — letter of Greek alphabet
  • Polish: ro — letter of Greek alphabet
  • Portuguese: rô — letter of Greek alphabet
  • Portuguese: ró — letter of Greek alphabet
  • Russian: ро (ro) — letter of Greek alphabet
  • Spanish: ro — letter of Greek alphabet
  • Spanish: rho — letter of Greek alphabet
  • Swedish: rho — letter of Greek alphabet