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PRESSURE GRADIENT: noun; the gradient that measures pressure by distance
Ex. The pressure gradient is not very steep here; the isobars are very separated.
SPIRAL: noun; a continuously curved line that follows a decreasing (or increasing) size; a
movement of That form
Ex. Ex. He walked in a spiral.
TRANSFER: verb; to move from one place (or object) to another place or object.
Ex. Heat is transferred from the surface to the air mass that lies on it.
