Jet

Science / Geology / Jet: A variety of coal that is frequently cut and polished for jewelry or ornaments.

Polar Jet

Science / Weather / Polar Jet: Marked by a concentration of isotherms and strong vertical shear, this jet is the boundary between the polar air and the subtropical air. It often divides into two branches, the north and the south, a MORE

Jetty

Science / Geology / Jetty: A human made structure built at right angles to a coastline and extending into the water. Jetties are built to protect an area of shoreline from the effects of currents, erosion or deposition. MORE

Jete

Entertainment / Ballet / Jete: Jete is a jump from one foot to the other (like a leap), in which one leg appears to be 'thrown' in the direction of the movement (front, back or sideways). There are several kinds of jetes, such as p MORE

Jet Streak

Science / Weather / Jet Streak: A region of accelerated wind speed along the axis of a jet stream. MORE

Arctic Jet

Science / Weather / Arctic Jet: The jet stream that is situated high in the stratosphere in and around the Arctic or Antarctic Circles. It marks the boundary of polar and arctic air masses. MORE

Subtropical Jet

Science / Weather / Subtropical Jet: Marked by a concentration of isotherms and vertical shear, this jet is the boundary between the subtropical air and the tropical air. It is found approximately between 25° and 35° North latitude and MORE

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