McLeod gauge

noun

, Physical Chemistry.

1. a device for determining very low gas pressures by manometrically measuring the pressure of a sample after its compression to a known fraction of its original volume.

Word History and Origins

Origin of McLeod gauge¹

Named after Herbert McLeod (1841–1932), English chemist

Example Sentences

Stevens came into the shop, holding a modified McLeod gauge which he had just taken from the interior of the tube.

From Project Gutenberg