# sesquibasic

> English word · Adjective

## Definitions
1. Containing, or acting as, a base that reacts with acids in a proportion of one and a half to one.

## Etymology
From sesqui- + basic.

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