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

At 25 °C, how high will water rise in a glass capillary tube with an inner diameter of 0.63 mm?

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

He showed that if a sufficiently large capillary tube be employed the rate of transpiration of a gas becomes constant, but that it is altogether different from the rate of diffusion of the same gas.

From Heroes of Science Chemists by Muir, M. M. Pattison (Matthew Moncrieff Pattison)