rishon

R1I1S1H4O1N1
/ˈɹɪʃɒn/

noun

A hypothetical fundamental particle in an early preon model.

OriginHebrew ראשון →
UncommonScrabble 9
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Meanings

rishon1

nounrishon (plural rishons)

plural rishons

  1. natural sciencesA hypothetical fundamental particle in an early preon model.

Rishon2

nounRishon (plural Rishonim)

plural Rishonim

  1. historicalA rabbi in the era preceding the publication of the Shulchan Aruch, from 1038 to 1563 CE.

    Since the days of the Rishonim, the version appearing in our Haggadot is the one accepted by all Jewry.

    1996, Macy Nulman, The Encyclopedia of Jewish Prayer, page 184

Synonyms & antonyms

Also see
maon

Origin

rishon · noun

  1. Hebrewראשון“first; primary”
  2. Englishrishon

From Hebrew ראשון (rishón, “first; primary”).

More words from Hebrew

Full word history & related roots →

Rishon · noun

  1. Hebrewראשון
  2. EnglishRishon

From Hebrew ראשון.

More words from Hebrew

Full word history & related roots →

Rhymes & wordplay

Anagrams

rhinosHirson
Cite this entry
APA

rishon. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/rishon

MLA

“rishon.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/rishon. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “rishon,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/rishon.

Source: rishon on Wiktionary, CC BY-SA 4.0.