# concentrator

> English word · Noun · frequency rank #65,792

## Definitions
1. One who concentrates.
2. A hub.
3. An apparatus for the separation of dry comminuted ore, by exposing it to intermittent puffs of air.
4. A frame or ring of wire or hard paper fitting into the cartridge case used in some shotguns, and holding the shot together when discharged, to secure close shooting; also, a device for slightly narrowing the bore at the muzzle for the same purpose.

## Etymology
From concentrate + -or.

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