geopotentialn.

Brit.

/ˈdʒiːə(ʊ)pəˌtɛnʃl/, U.S.

/ˈdʒioʊpəˌtɛn(t)ʃ(ə)l/

Origin: Formed within English, by compounding. Etymons: geo- comb. form, potential n.

Etymology: < geo- comb. form + potential n.

Geology and Atmospheric Physics.

The work that must be done against gravity to raise a unit mass to a given height above sea level; the gravitational potential attributable to the earth's gravitational field (cf. potential n. 5a).

ΘΚΠ

the world > matter > physics > energy or power of doing work > [noun] > specific quantities or units of energy or work > work necessary to raise unit mass

geopotential1914

1914 V. Bjerknes in Q. Jrnl. Royal Meteorol. Soc. 40 161 It should be borne in mind that in dynamical meteorology gravity-potential (or geopotential as it is now proposed to call it) has to be used as a co-ordinate.

1939 Meteorol. Gloss. (Meteorol. Office) (ed. 3) 97 The zero of potential is taken as at sea level... Points with the same geopotential may be said to be at the same level.

1970 Nature 9 May 494/2 The theory of the determination of the geopotential from satellite tracking data is not fully understood.

2006 J. M. Wallace & P. V. Hobbs Atmospheric Sci. iii. 69/1 The geopotential at a particular point in the atmosphere depends only on the height of that point and not on the path through which the unit mass is taken in reaching that point.

This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022).

单词	geopotential
释义	geopotentialn. Brit. /ˈdʒiːə(ʊ)pəˌtɛnʃl/, U.S. /ˈdʒioʊpəˌtɛn(t)ʃ(ə)l/ Origin: Formed within English, by compounding. Etymons: geo- comb. form, potential n. Etymology: < geo- comb. form + potential n. Geology and Atmospheric Physics. The work that must be done against gravity to raise a unit mass to a given height above sea level; the gravitational potential attributable to the earth's gravitational field (cf. potential n. 5a). ΘΚΠ the world > matter > physics > energy or power of doing work > [noun] > specific quantities or units of energy or work > work necessary to raise unit mass geopotential1914 1914 V. Bjerknes in Q. Jrnl. Royal Meteorol. Soc. 40 161 It should be borne in mind that in dynamical meteorology gravity-potential (or geopotential as it is now proposed to call it) has to be used as a co-ordinate. 1939 Meteorol. Gloss. (Meteorol. Office) (ed. 3) 97 The zero of potential is taken as at sea level... Points with the same geopotential may be said to be at the same level. 1970 Nature 9 May 494/2 The theory of the determination of the geopotential from satellite tracking data is not fully understood. 2006 J. M. Wallace & P. V. Hobbs Atmospheric Sci. iii. 69/1 The geopotential at a particular point in the atmosphere depends only on the height of that point and not on the path through which the unit mass is taken in reaching that point. This entry has been updated (OED Third Edition, March 2012; most recently modified version published online March 2022). < n.1914
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