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Wordswarms From Years Past


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Adjacent Words

Datisca cannabina
Datiscin
Dative
dative bond
dative case
Dative executor
dative infinitive
Datively
datoba
Datolite
Datong
Datril
Datum
datum level
Datum line
datum point
Datura
Datura arborea
Datura sanguinea
Datura stramonium
Datura suaveolens
daturia
daturina
daturine
dau
Daub

datum (geodetic) definitions

U.S. Military Dictionary

1. A reference surface consisting of five quantities: the latitude and longitude of an initial point, the azimuth of a line from that point, and the parameters of the reference ellipsoid. 2. The mathematical model of the earth used to calculate the coordinates on any map. Different nations use different datums for printing coordinates on their maps. The datum is usually referenced in the marginal information of each map.



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