rishon

noun — 2 senses

rishon

nounalso spelled Rishon

/ˈɹɪʃɒn/

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

1

Natural sciences, Physical sciences, Physics A hypothetical fundamental particle in an early preon model.

Derived terms: antirishon

Rishon

noun

Etymology From Hebrew ראשון.

1

Historical A 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:

Derived terms: Rishonic

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — authors: page histories for rishon and Rishon.