quorum

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quorum

(kwôr′əm)
n.
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.

quorum

Hospital 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.
References in periodicals archive ?
Talbot said that at the November 2006 special town meeting, the town meeting quorum was reduced to 50 from the previous requirement of 100 at annual town meetings and 75 at special town meetings.
In Wales, 4 percent of the town's registered voters were needed for a town meeting quorum until last year, when the bylaw was changed to a quorum of 30, according to Town Clerk Lynn S.
The quorum of 80 members is usually reached "no more than 10 minutes late.
The quorum to start a meeting is 120 elected members.