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NPV Profile: A graph of NPV as a function of the discount rate.

Toxicological Profile: An ATSDR document that examines, summarizes, and interprets information about a hazardous substance to determine harmful levels of exposure and associated health effects. A toxicological pro . . . View Full Definition

Seismic Profile: The data collected from a set of seismographs arranged in a straight line with an artificial seismic source, especially the times of P-wave arrivals.

Vertical Temperature Profile: A series of temperature measurements taken at various levels in the atmosphere that show the thermal structure of the atmosphere over a specific location. Obtained through a rawinsonde sound . . . View Full Definition

Viewers In Profile (VIP): The local television ratings book from Nielsen Media Research, issued after sweeps periods for each of the 210 television markets in the U.S. Click here for more information.

Vertical Wind Profile: A series of wind direction and wind speed measurements taken at various levels in the atmosphere that show the wind structure of the atmosphere over a specific location. Obtained through a r . . . View Full Definition

Profiler: A type of Doppler radar that typically measures both wind speed and direction from the surface to 55,000 feet in the atmosphere.

Profile: Detailed information about a traveler’s personal preferences kept on file by a travel supplier.

Net Present Value (NPV): The present value of the expected future cash flows minus the cost.

Longitudinal Profile: A cross section of a stream or valley beginning at the source and continuing to the mouth. These profiles are drawn to illustrate the gradient of the stream.