aphroditoid

aphrodito- (“Venus”) +‎ -oid (“like”). From Ancient Greek Ἀφροδίτη (Aphrodítē, “Aphrodite”), the Greek Goddess of Love, equivalent to the Roman Goddess of Love Venus (“Venus”), synonymous use for the planet; and Ancient Greek -ειδής (-eidḗs, “-oid”) suffix. Coined in analogy to geoid, the equivalent for planet Earth.

aphroditoid (plural aphroditoids)

1. (astronomy, geology, planetology) The analogue of the geoid for the planet Venus; the Venusian geoid. The gravitational and rotational equipotential surface for Venus. The surface that provides the datum line (the equivalent for sea level) for Venus.

• aphroid (uses the shorter prefix aphro- instead of the longer aphrodito-)
• Venusian geoid
• Venus geoid

• geoid (used in the generic sense)

• geoid (Earth)
• areoid (Mars)