|
ANTIPODES |
A region or place on the opposite side of a point on the earth. |
|
ANTICYCLONES |
Winds which blow outward from the center. |
|
APHELION |
Position of the earth in its orbit when is at the maximum distance from
the sun. |
|
ARCHIPELAGO |
A cluster of islands, e.g., Pearl Islands in the Gulf of Panama. |
(more content follows the advertisement below)
A D V E R T I S E M E N T
|
|
ATOLL |
Coral reef resembling a horse shoe, enclosing a lagoon. |
|
AXIS |
An imaginary line joining north and south poles. |
|
AVALANCHE |
A vast mass of snow mixed with earth or stones. |
|
BIOSPHERE |
Animate or inanimate organic kingdom on earth. |
|
CANYON |
A deep valley cut by a river through a mountain region, e,g., the Grand
Canyon of the Colarado river in the USA. |
|
CONTINENTAL SHELF |
Land adjoining a continent submerged in the sea. |
|
CYCLONES |
A low pressure system area in which the wind blows spirally inward. |
|
CROP ROTATION |
Growing different crops needing different minerals for their growth in
the same piece of land in order to get more yield. |
|
DATE LINE |
An imaginary line pointing north-south approximating to the Meridian 180
(east or west) where the date changes by one day the moment it is
crossed. |
|
DELTA |
Alluvial deposit shaped like Greek letter, formed at the mouth of the
river, where it falls into the sea, e.g., the Sunderban delta. |
|
DEW |
Condensed atmospheric water vapours due to the cooling of the air. |
|
DRY FARMING |
Growing of crops in low rainfall areas by moisture conservation, crop
rotation but without irrigation. |
|
EQUATOR |
An imaginary line dividing the earth into two equal parts. |
|
EQUINOXES |
The day on which nights and days are of equal duration, e.g., March 22
and September 23. |
|
EROSION |
Wearing away of the earth's land surface by rain, wind, water, etc.
rendering the land infertile. |
|
ECLIPSE |
When one earthly body obscures another one partially or completely. |
|
FOG |
When the atmospheric moisture touches cold earth and condenses on dust
particles. |
|
FROST |
When the atmospheric moisture deposits in the shape of icy flakes on the
exposed objects or near the ground due to below freezing point
temperature. |
|
HIGH SEAS |
The parts of the sea which do not come under the territorial
jurisdiction of the nations. |
|
ICEBERG |
Huge mass of ice separated from glacier in the polar regions. These
masses of ice float in the oceans with 9 parts submerged in the ocean
and one part visible. |
|
ISOBARS |
Lines on the map connecting the places of the same pressure. |
|
ISOTHERMS |
Lines on the map joining the places of the same temperature. |
|
ISTHMUS |
Narrow neck of land joining two land areas. |
|
KUNDAN |
Anew variety of wheat which gives high yields in both rained and
irrigated tracts and responds well to low dose of water and fertiliser. |
|
LAGOON |
A shallow stream of water at the mouth of a river enclosed bu dunes of
river silt. |
|
LIGHT YEAR |
The distance traveled by light in one year. It is equal to 9.4*10612 km. |
|
LOCAL TIME |
Time calculated from the sun at noon at any place of earth. |
|
MERIDIAN |
Imaginary line joining north and south poles and cutting the equator at
right angles. |
|
MIST |
It is just like fog but contain more moisture. |
|
OASIS |
A part of the desert where water and vegetation are found. |
|
ORBIT |
The path of the heavenly bodies. |
|
PYGMALLION POINT |
The southernmost point of India, 700 km away from mainland India. |
|
PRAIRIES |
Smooth, treeless, green plain of Central and North America. |
|
REEF |
Jutting of rock or shingle or sand at just above or below sea level. |
|
SAVANNA |
Land covered with natural grass. |
|
SIDEREAL DAY |
Time taken by the earth to rotate once round its axis. |
|
SNOW LINE |
Altitudinal line along which the area remains snow clad. |
|
SPRING TIDES |
Higher tides in the ocean caused by the sun and the moon together. When
the sun, the earth and the moon are positioned in a straight line. |
|
NEAP TIDES |
Tides caused by the differences of the forces exerted by the moon and
the sun when both are at right angles to each other. |
|
TORNADO |
A brisk and violent storm generally having rotator motion. |
|
TUNDRAS |
Peripheral area of Arctic ocean. |
|
TYCOON |
Violent hurricane in China Sea. |
|
WEATHER SATELLITE |
Artificial satellite designed to forecast weather. |
|
WESTERLIES |
Constant winds blowing from south-west in the northern hemisphere and
north-west in south hemisphere. |
|
