close nipple[′klōs ′nip·əl]
A short length of pipe that is completely threaded.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
nipple having no shoulder (i.e., no unthreaded portion) and having the shortest possible length permitted by standard practice.A
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.