mothball

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Related to camphor ball: mothball

mothball

a small ball of camphor or naphthalene used to repel clothes moths in stored clothing, blankets, etc.
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

mothball

[′mȯth‚bȯl]
(ordnance)
Placing military equipment into a state of long storage.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

mothball

A term used for preserving aircraft, equipment, parts, etc., when they are unlikely to be put in use for an extended period. The equipment is generally sealed and made moisture-proof to the extent possible.
An Illustrated Dictionary of Aviation Copyright © 2005 by The McGraw-Hill Companies, Inc. All rights reserved