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Slope: The rate of change that a frequency response curve displays, normally stated in db per Octave. Among other things, Slope can relate to Roll Off rates in Crossover action, low-end roll off an . . . View Full Definition

Shelf-Slope Break: Line marking a change from the gently inclined continental shelf to the much steeper depth gradient of the continental slope

Upslope Effect: The cooling of an air flow as it ascends a hill or mountain slope. If there is enough moisture and the air is stable, stratiform clouds and precipitation may form. If the air is unstable, th . . . View Full Definition

Upslope Fog: Fog that forms when warm, moist surface air is forced up a slope by the wind. It is adiabatically cooled to below its initial dew point, which means the air cools by expansion as it rises. I . . . View Full Definition

Downslope Effect: The warming of an air flow as it descends a hill or mountain slope.

Crossover Slope: The rate at which a crossover circuit attenuates the blocked frequencies. Slope is expressed as decibels per octave. A 6db per octave crossover reduces signal amplitude level by 6db in every . . . View Full Definition

Glide Slope: (1) The angle between horizontal and the glide path of an aircraft. (2) A tightly-focused radio beam transmitted from the approach end of a runway indicating the minimum approach angle that . . . View Full Definition

Arusha: Market name for coffee from the slopes of Mt. Meru in Tanzania.

Apparent Secular Trend: The non-periodic tendency of sea level to rise, fall, or remain stationary with time. Technically, it is frequently defined as the slope of a least-squares line of regression through a relat . . . View Full Definition

Kilimanjaro: Coffee from the slopes of Mt. Kilimanjaro in Tanzania.