from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument consisting of a glass tube with a graduated scale that shows the changes in volume of a gas or gaseous mixture.
from the GNU version of the Collaborative International Dictionary of English
- n. An instrument consisting essentially of a glass tube provided with a graduated scale, for exhibiting to the eye the changes of volume of a gas or gaseous mixture resulting from chemical action, etc.
from The Century Dictionary and Cyclopedia
- n. A graduated glass tube for demonstrating the difference in volume of the components of a compound, especially when they are set free by chemical action.
volume + -scope (Wiktionary)