watch-glass
Britishnoun
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a curved glass disc that covers the dial of a watch
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a similarly shaped piece of glass used in laboratories for evaporating small samples of a solution, etc
Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
Without washing, transfer the film to a watch-glass containing the reducing solution and allow it to remain therein for from thirty seconds to one minute; blot off the excess of fluid with filter paper.
From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by J. W. H. (John William Henry) Eyre
Carrying it very carefully, he went up to the tent again and sat down beside his little heap of crumbled wood and held the watch-glass full of water over it.
From With Cochrane the Dauntless by G. A. (George Alfred) Henty
I had left it in the watch-glass, exposed to solar heat.
From Curiosities of Medical Experience by J. G. (John Gideon) Millingen
Wilcox is particularly strong on the manner in which the lad contrived to kindle a fire by using his watch-glass filled with water as a burning-glass.
From With Cochrane the Dauntless by G. A. (George Alfred) Henty
The slips now are put into alcohol for a few minutes, are dried in the same manner as from the ether, and are kept ready for use in a dust-tight watch-glass.
From Histology of the Blood Normal and Pathological by W. Myers
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