a rather large cylindrical container of heavy glass with an open top, used in laboratories.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
How to use battery jar in a sentence
A battery jar or a small water-bath to hold the Erlenmeyer flask when packed round with ice.The Elements of Bacteriological Technique | John William Henry Eyre
This should be thoroughly mixed by pouring the solution from one battery jar into another.The Automobile Storage Battery | O. A. Witte
A good substitute for these is what is known as a battery-jar (fig. 168).Elementary Zoology, Second Edition | Vernon L. Kellogg
The same plan may be adopted with wide glass jars, like the ordinary battery jar.Butterflies Worth Knowing | Clarence M. Weed