capillarity correction

capillarity correction

[‚kap·ə′lar·əd·ē kə‚rek·shən]
(engineering)
As applied to a mercury barometer, that part of the instrument correction which is required by the shape of the meniscus of the mercury.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.