the extent to which the polar diameter of a planet is shorter than the mean equatorial diameter.
单词 | θ732 |
释义 | the world > the universe > planet > [noun] > part of planet > polar flattening (2) polar flattening1784 the extent to which the polar diameter of a planet is shorter than the mean equatorial diameter. compression1820 figurative. The condensation of thought or language. |
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