# floatstone

> English word · Noun

## Definitions
1. A kind of calcareous rock, more than 10% of which is made up of grains larger than two millimetres, and which is matrix-supported.

## Etymology
From float + stone.

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