Delta

Science / Geology / Delta: A deposit of sediment that forms where a stream enters a standing body of water such as a lake or ocean. The name is derived from the Greek letter 'delta' because these deposits typically have a triangular shape in map view.
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Delta Hedge

Business / Finance / Delta Hedge: The ratio of the change in price of a call option to the change in price of the underlying stock. Also called the hedge ratio. Applies to derivative products. Measure of the relationship between an op MORE

Wye-Delta Starting

Technology / Motors / Wye-Delta Starting: A method of starting a motor at rated voltage but drawing locked rotor current and producing reduced stocked rotor torque but it provides lower starting torque than a straight delta connection. Once t MORE

Delta-Wing

Technology / Aviation / Delta-Wing: A triangularly-shaped aircraft wing having a low aspect ratio, a sharply-tapered leading edge, a straight trailing edge, and a pointed tip. MORE

Hedge Ratio (Delta)

Business / Finance / Hedge Ratio (Delta): A fund that may employ a variety of techniques to enhance returns, such as both buying and shorting stocks according to a valuation model. MORE

Delta Neutral

Business / Finance / Delta Neutral: A dynamic hedging strategy using options that calls for constant adjustment of the number of options used, as a function of the delta of the option. MORE

Delta Kame

Science / Geology / Delta Kame: A deposit having the form of a steep, flat topped hill, left at the front of a retreating continental glacier. MORE