# rituximab

> English word · Noun · IPA /ɹɪˈtʌk.sɪˌmæb/ · frequency rank #95,351

## Definitions
1. A chimeric monoclonal antibody (trademark Rituxan) administered by intravenous injection especially to treat non-Hodgkin lymphoma and chronic lymphocytic leukemia by binding to the protein CD20 found on the surface of B cells and causing their lysis.

## Etymology
From [Term?] + -tu- (“tumor”) + -ximab (“chimeric monoclonal antibody”).

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/rituximab