quorum(redirected from Sub-quorum)
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1. The minimal number of officers and members of a committee or organization, usually a majority, who must be present for valid transaction of business.
2. A select group.
3. The minimal density of bacterial cells that results in altered gene expression in a population of bacteria.
The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. Published by Houghton Mifflin Company. All rights reserved.
quorumHospital practice The mimumum number of members of a committee or decision-making body needed at a meeting to make decisions for that body. See Medical staff, Roberts' Rules of Order.
McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.