noun, Stock Exchange.
a demand from a brokerage house to a customer that more money or securities be deposited in his or her margin account when the amount in it falls below that stipulated as necessary to cover the stock purchased.
noun, Nautical. 1. an imaginary line used in making calculations regarding the flooding of hulls, running fore-and-aft 3 inches (8 cm) below the upper surface of the bulkhead deck at the side. 2. the line along which the planking on a transom-sterned vessel terminates aft.
- Margin of error
noun in statistics, a measurement of the accuracy of the results of a survey Examples The larger the margin of error around an estimated value, the less accurate is the estimated value.
noun, Pharmacology. 1. . margin of safety n. The amount between a therapeutic dose and a lethal dose of a drug.
marginoplasty mar·gi·no·plas·ty (mär’jə-nō-plās’tē) n. Plastic or reparative surgery of the tarsal border of an eyelid.