trigger point

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Trigger Point

An event that causes another event. For example, an exchange may stop trade on a stock if its price drops by 10% in a single trading session. In that case, the trigger point is the 10% drop.

trigger point

The event or condition that initiates a predetermined action. For example, the New York Stock Exchange halts trading in stocks when the Dow Jones Industrial Average declines by a specified number of points (the trigger point) in a trading session.
References in periodicals archive ?
Patients suffering from facial pain with extra-oral trigger zone facial pain due to some other maxillofacial problem or with some systemic disease e.g.
After lateral medullary infarct CLH is a rare but important association which suggests a possible trigger zone in lateral medulla.
When a finger enters the trigger zone, the sensor sends an actuation signal to the device involved.
"Haloperidol is the most potent dopamine-2 antagonist at the chemoreceptor trigger zone. We don't think of it that way.
The urge to vomit comes from two areas in the brain - a vomiting centre set off by a chemoreceptor trigger zone, which rings when you've been boozing too much.