cautionary characteristic

cautionary characteristic

[′kȯ·shə‚ner·ē ‚kar·ik·tə′ris·tik]
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In marine operations, a unique characteristic of light signifying a particular caution, for example, a quick flashing characteristic indicates a sharp turn in a channel.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.