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capillary tube

British  

noun

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

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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

From New York Times Nov. 30, 2022

What is the diameter of the capillary tube?

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

If a capillary tube is placed vertically into a liquid, as shown in Figure 11.37, capillary action will raise or suppress the liquid inside the tube depending on the combination of substances.

From Textbooks Aug. 12, 2015

The capillary tube can be raised or lowered at will by running a magnet outside the tube, and the heights of the columns are measured by a cathetometer or micrometer microscope.

From Encyclopaedia Britannica, 11th Edition, Volume 6, Slice 1 "Châtelet" to "Chicago" by Various

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