English Explanatory Dictionary

areoid

English dictionary entry

Meanings

noun
  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.

Word forms

areoid areoids

Etymology

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.

Synonyms

Martian geoid Mars geoid
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