inside micrometer[′in‚sīd mī′kräm·əd·ər]
A micrometer caliper with the points turned outward for measuring the internal dimensions of an object.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
A micrometer especially designed for the accurate measurement of the inside diameter of a cylinder, such as a pipe.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.