Divergence: Wind movement that results in a horizontal net outflow of air from a particular region. Divergence at lower levels is associated with a downward movement of air from aloft. Contrast with convergence.

 

Related Words

Divergence: Wind movement that results in a horizontal net outflow of air from a particular region. Divergence at lower levels is associated with a downward movement of air from aloft. Contrast with convergence.

Genetic Divergence: The separation of a populations gene pool from the gene pools of other populations due to mutation, genetic drift, and selection. Continued divergence can lead to speciation.

Ophiolite Suite: The typical sequence of rocks in the oceanic crust from bottom to top: ultrabasic rocks, gabbro, sheeted dikes, pillow basalts, and sea-floor sediments. Igneous rocks and deep-sea sediments . . . View Full Definition

Source Size: the size of the virtual electron source in the electron microscope, resulting in illumination divergence, which determines the degree of spatial coherence. The source size is given as an ang . . . View Full Definition

Rift Valley: A fault trough formed in a divergence zone or other area of tension.

Sea-Floor Spreading: The horizontal movement of oceanic crust

Half-Angle: The divergence of the exhaust cone referring to the angle one side makes with the centerline. Conventionally 15 to 18 degrees but may be larger or smaller.

Triple Junction: A point that is common to three plates and which must also be the meeting place of three boundary features, such as divergence zones, convergence zones, or transform faults.

Index Fund: An index fund is designed to mirror the performance of a stock or bond index, such as Standard & Poor's 500 Index (S&P 500) or the Russell 2000 Index. To achieve that goal, the fund purchase . . . View Full Definition

Microevolution: A small-scale evolutionary event such as the formation of a species from a preexisting one or the divergence of reproductively isolated populations into new species.