You know what it looks like… but what is it called?
TAKE THE QUIZ“sprengel”
The following 3 entries include the term sprengel.
Sprengel explosive
noun: any of numerous high explosives formed by mixing just before use an oxidizing agent (such as nitric acid or potassium chlorate) and a combustible ingredient (such as nitrobenzene) neither of which by itself is explosive
Sprengel pump
noun: an air pump in which exhaustion is produced by drops of mercury running down a narrow tube and trapping bubbles of gas between them
Sprengel tube
noun: a glass U tube with two capillary ends bent at right angles for use in determining specific gravity especially of oils and fats by weighing it first filled with the substance to be tested and then filled with water compare pycnometer
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Merriam-Webster unabridged
