Definitions beginning with G

The General Agreement on Tariffs and Trade signed by President Clinton on December 8, 1994. One resulting change is that a U.S. patent, if granted on an application filed on or after June 8, 1995, will have a term measured by 20 years from the filing date rather than the prior standard of 17 years from the date the patent was granted. Patents in force on June 8, 1995, and applications filed before that date will have a term that is the longer of these two terms. GATT also provided for provisional applications.
Arnold Silverman and George Stacey - Cite This Source - This Definition
Browse Related Terms: Best Mode, critical date, date of application, Effective Date, Expiry Date, filing date, General Agreement on Tariffs and Trade (GATT), life of a patent, Mode, Best, Substitute Specification

An instrument, usually mounted on the dashboard, used to monitor engine conditions such as fuel pressure, oil pressure and temperature, water pressure and temperature and RPM (Revolutions per minute).
Sports Illustrated - Cite This Source - This Definition
Browse Related Terms: Alternator, Fan, Fuel, Fuel pump, hans device, hutchens device, Oil pump

Gauge In meteorology, general term for any device that measures, strength of wind, pressure, and other parameters. The most widespread gauges on meteorology are balance snow g., barometer g., density-of-snow g., dew g., distance g., rain-and snow g., rain-intensity g., standard g., wind g., etc.
NSIDC - Cite This Source - This Definition
Browse Related Terms: Aneroid barometer, Barograph, Barometer, Mercury barometer

Device for registering water level, discharge, velocity, pressure, etc. Thickness of wire or sheet metal. A number that defines the thickness of the sheet used to make steel pipe. The larger the number, the thinner the pipe wall.

Bureau of Reclamation - Cite This Source - This Definition
Browse Related Terms: Class (pipe and fittings), Curb stop (curb cock), Negative pressure, Positive pressure, Pressure relief pipes, Standpipe, Surge chamber

The unit of magnetic induction in the cgs (centimeter-gram- second) system
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Gamma, Geophysics, Nanotesla (nT)

A beam of light whose electric field intensity distribution is gaussian. Note: When such a beam is circular in cross section the intensity at distance r from the center,

E(r), is given by

where E(0) is the electrical field strength at the beam center, i.e., at r = 0; and w is the value of r at which the intensity is 1/e of its value on the axis.

ATIS - Cite This Source - This Definition
Browse Related Terms: electric field, electrostatic discharge (ESD), electrostatic field, electrostatic shield, interfering contour, Shielding

A computer model used to calculate air pollution concentrations. The model assumes that a pollutant plume is carried downwind from its emission source by a mean wind and that concentrations in the plume can be approximated by assuming that the highest concentrations occur on the horizontal and vertical midlines of the plume, with the distribution about these mid-lines characterized by Gaussian- or bell-shaped concentration profiles.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Box Model, Chemistry Model, Diagnostic Model, Domain, Full-Physics Numerical Model, Gaussian Puff Model, Particle Trajectory Model, Perturbation Model, Phenomenological Model, VALDRIFT

A model used to calculate air pollution concentrations. The model assumes that a continuously emitted plume or instantaneous cloud of pollutants can be simulated by the release of a series of puffs that will be carried in a time- and space-varying wind field. The puffs are assumed to have Gaussian or bell-shaped concentration profiles in their vertical and horizontal planes.
NOAA National Weather Service - Cite This Source - This Definition
Browse Related Terms: Box Model, Chemistry Model, Diagnostic Model, Domain, Full-Physics Numerical Model, Gaussian Plume Model, Particle Trajectory Model, Perturbation Model, Phenomenological Model, VALDRIFT