areoid

词形变化

areoids 复数 areoids

释义与例句

n.
  1. 1.

    The analogue of the geoid for the planet Mars; the Martian geoid. The gravitational and rotational equipotential surface for Mars. The surface that provides the datum line (the equivalent for sea level) for Mars.

    天文 地质

词源

From areo- (“Mars”) + -oid (“like”). From Ancient Greek Ἄρης (Árēs, “Ares”), the Greek God of War, equivalent to the Roman God of War Mars (“Mars”), synonymous use for the Red Planet; and Ancient Greek -ειδής (-eidḗs, “-oid”) suffix. Coined in analogy to geoid, the equivalent for planet Earth.

来源：wiktionary