capillary tube

British  

noun

1. a glass tube with a fine bore and thick walls, used in thermometers, etc

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Example Sentences

But they lived when Dr. Snir whisked the fluid away with a capillary tube.

From New York Times • Nov. 30, 2022

Water rises in a glass capillary tube to a height of 17 cm.

From Textbooks • Feb. 14, 2019

At the end of Beam Line 12, a scientist named Helen He showed off the object being scrutinized: a crystal inside a capillary tube, almost too small to see with the naked eye.

From Washington Post • Apr. 17, 2017

Capillary action is the tendency of a fluid to be raised or suppressed in a narrow tube, or capillary tube which is due to the relative strength of cohesive and adhesive forces.

From Textbooks • Aug. 12, 2015

Adjust a rubber teat to the pipette and by pressure on the bulb gradually drive the mercury in an unbroken column down the capillary tube until it is stopped by the filiform extremity.

From The Elements of Bacteriological Technique A Laboratory Guide for Medical, Dental, and Technical Students. Second Edition Rewritten and Enlarged. by Eyre, J. W. H. (John William Henry)