# thistle tube

> English word · Noun

## Definitions
1. An item of glass laboratory equipment like a funnel consisting of a long, fine tube and a bulbous reservoir at the top. Used for introducing liquids, with care, into a solution.

## Etymology
From its resemblance in shape to a thistle.

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