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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

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

From Textbooks • Feb. 14, 2019

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

Electrodes.—A thin platinum wire may be sealed into a capillary tube without any special precautions being necessary.

From A Handbook of Laboratory Glass-Blowing by Bolas, Bernard D.

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