A hypothetical solid figure whose surface corresponds to mean sea level and its imagined extension under (or over) land areas.
More example sentences
- The geoid is a hypothetical surface, on which the gravitational pull of the Earth is the same everywhere.
- The seven-year odyssey transformed the world in earnest by giving to science a new form for the globe - that irregular spheroid today called the geoid.
- ‘Now, we're ready to look at how the geoid varies over short periods of time,’ he adds.
late 19th century: from Greek geoeidēs, from gē 'earth' + -oeidēs (see -oid).
Definition of geoid in:
- The US English dictionary