from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A graduated glass tube closed at one end that is used for measuring the change in the volume of gases during a chemical reaction.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument for the volumetric measurement of gases; -- so named because frequently used to determine the purity of the air.
from The Century Dictionary and Cyclopedia
- n. An instrument originally designed for ascertaining the purity of the air or the quantity of oxygen it contains, but now generally employed in the analysis of gases, for the determination of the nature and proportion of the constituents of any gaseous mixture.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. measuring instrument consisting of a graduated glass tube for measuring volume changes in chemical reactions between gases
Late 18th century, from Greek: eúdio(s) 'clear, fine', from eu 'well' + dios 'heavenly' (Wiktionary)