单词 | pressure gradient |
释义 | pressure gradient [`presh·ǝr ´grād·ē·ǝnt] FLUID MECHANICS The rate of decrease (that is, the gradient) of pressure in space at a fixed time; sometimes loosely used to denote simply the magnitude of the gradient of the pressure field. Also known as barometric gradient. METEOROLOGY The change in atmospheric pressure per unit horizontal distance, usually measured along a line perpendicular to the isobars. |
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