geoid

n. [地]大地水准面

发音

UK /ˈdʒiːɔɪd/
其它
US /ˈd͡ʒiˌɔɪd/

词形变化

geoids 复数 geoids

释义与例句

n.
  1. 1.

    The shape, extending through landmasses (continents, etc.), that the surface of the oceans of the Earth would take under the influence of the Earth's gravity and rotation alone, disregarding other factors such as winds and tides; that is, a surface of constant gravitational potential at zero elevation.

    大地水准面

词源

From German Geoid (“geoid”), analysable as geo- + -oid.

来源：wiktionary