133. Earth

See also 85. CLIMATE ; 134. EARTHQUAKES ; 142. ENVIRONMENT ; 143. EQUATOR ; 178. GEOGRAPHY ; 179. GEOLOGY ; 235. LAND ; 318. PLANETS ; 377. SOIL .

that part of the earth’s surface where most forms of life exist, specifically those parts where there is water or atmosphere.
chthonic, chthonian
having to do with the underworld.
a hollow glass globe for depicting the position of the earth in relation to the fixed stars at a given time.
the process of movement that causes the earth’s crust to form continents, mountains, oceans, etc. — diastrophe , n . — diastrophic , adj .
epeirogeny, epeirogenesis
the vertical movement or tilting of the earth’s crust, affecting broad expanses of continents. — epeirogenic , epeirogenetic , adj .
the branch of geology that describes the past in terms of geologic rather than human time. — geochronologist , n . — geochronologic , geochronological , adj .
the science of the forces at work within the earth. — geodynamic , adj .
a theory or science about the formation of the earth. — geogonic , adj .
Rare . worship of the things of the earth or of the earth itself.
the science that studies the physical history of the earth, the rocks of which it is composed, and the changes the earth has undergone and is undergoing. — geologist . n . — geologic , geological , adj .
the tendency of organisms, under the influence of gravity, to be symmetrical. — geomalic , adj .
a form of divination that analyzes the pattern of a handful of earth thrown down at random or dots made at random on paper. — geomancer , n .
the branch of geology that studies the form of the earth’s surface. — geomorphologist , n . — geomorphologic , geomorphological , adj .
geophagism, geophagy, geophagia
the eating of earthy matter, especially clay or chalk. — geophagist , n . — geophagous , adj .
a large globe or sphere in which a spectator can stand and view a representation of the earth’s surface.
an instrument for measuring the inclination or dip of the earth’s magnetic force.
the science of explaining the minerals of which the earth is composed, their origins, and the cause of their form and arrangement.
the solid part of the earth, as contrasted with the atmosphere and hydrosphere.
the periodic oscillation that can be observed in the precession of the earth’s axis and the precession of the equinoxes. See also 196. HEAD . — nutational , adj .
the inclination of the earth’s equator or the angle between the plane of the earth’s orbit and the plane of the equator (23°27″). See also 25. ASTRONOMY . Also called obliquity of the ecliptic . — obliquitous , adj .
the formation of a flat or level surface by the process of erosion.
Rare a person who believes that the earth is round.
a dweller on the earth. Also tellurian .

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