Definition of geoid in English:

geoid

noun ˈdʒiːɔɪdˈdʒiɔɪd

the geoid

A hypothetical solid figure whose surface corresponds to mean sea level and its imagined extension under (or over) land areas.
大地水准面，地球体
Example sentencesExamples
- The geoid is a hypothetical surface, on which the gravitational pull of the Earth is the same everywhere.
- ‘We live on the crust, so we don't really notice the deviation from what would be sort of the normal form of the geoid,’ he said.
- 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.
- To this end we used an integrated modelling technique that combines several regional geophysical observables (elevation, gravity, geoid and heat flow) with available seismic data.
- ‘Now, we're ready to look at how the geoid varies over short periods of time,’ he adds.

Origin

Late 19th century: from Greek geoeidēs, from gē 'earth' + -oeidēs (see -oid).

Definition of geoid in US English:

geoid

nounˈdʒiɔɪdˈjēoid

the geoid

The hypothetical shape of the earth, coinciding with mean sea level and its imagined extension under (or over) land areas.
大地水准面，地球体
Example sentencesExamples
- To this end we used an integrated modelling technique that combines several regional geophysical observables (elevation, gravity, geoid and heat flow) with available seismic data.
- 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.
- ‘We live on the crust, so we don't really notice the deviation from what would be sort of the normal form of the geoid,’ he said.
- The geoid is a hypothetical surface, on which the gravitational pull of the Earth is the same everywhere.
- ‘Now, we're ready to look at how the geoid varies over short periods of time,’ he adds.

Origin

Late 19th century: from Greek geoeidēs, from gē ‘earth’ + -oeidēs (see -oid).

单词	geoid
释义	Definition of geoid in English: geoid noun ˈdʒiːɔɪdˈdʒiɔɪd the geoid A hypothetical solid figure whose surface corresponds to mean sea level and its imagined extension under (or over) land areas. 大地水准面，地球体 Example sentencesExamples The geoid is a hypothetical surface, on which the gravitational pull of the Earth is the same everywhere. ‘We live on the crust, so we don't really notice the deviation from what would be sort of the normal form of the geoid,’ he said. 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. To this end we used an integrated modelling technique that combines several regional geophysical observables (elevation, gravity, geoid and heat flow) with available seismic data. ‘Now, we're ready to look at how the geoid varies over short periods of time,’ he adds. Origin Late 19th century: from Greek geoeidēs, from gē 'earth' + -oeidēs (see -oid). Definition of geoid in US English: geoid nounˈdʒiɔɪdˈjēoid the geoid The hypothetical shape of the earth, coinciding with mean sea level and its imagined extension under (or over) land areas. 大地水准面，地球体 Example sentencesExamples To this end we used an integrated modelling technique that combines several regional geophysical observables (elevation, gravity, geoid and heat flow) with available seismic data. 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. ‘We live on the crust, so we don't really notice the deviation from what would be sort of the normal form of the geoid,’ he said. The geoid is a hypothetical surface, on which the gravitational pull of the Earth is the same everywhere. ‘Now, we're ready to look at how the geoid varies over short periods of time,’ he adds. Origin Late 19th century: from Greek geoeidēs, from gē ‘earth’ + -oeidēs (see -oid).
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