# sennin

> English word · Noun

## Definitions
1. An antiseptic preparation made from boric acid, iodine, and phenol.

## Etymology
From Senn + -in, after Nicholas Senn (1844-1908), American surgeon. Originally a brand name.

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