Etymology:
The word "latitude" comes from the Middle French "latitude," which in turn derives from the Latin "latitudo" meaning "breadth" or "width."
Meaning:
Latitude is a geographic coordinate that measures the angular distance of a point north or south of the Earth's equator, ranging from -90° at the South Pole to +90° at the North Pole. It is represented by the Greek letter "phi" (φ).
Origin:
The concept of latitude was first developed by ancient Greek astronomers, particularly Eratosthenes of Cyrene (c. 276-194 BC). Eratosthenes devised a system of latitude and longitude to map the Earth's surface. He measured the angle of elevation of the Sun at different locations and used trigonometry to calculate their latitude.
Usage:
Latitude is used in conjunction with longitude to determine the exact location of a point on the Earth. In navigation, latitude and longitude are essential for plotting courses and determining positions. Latitude is also used in meteorology to identify climate zones and track weather patterns.
Example:
The city of Paris has a latitude of approximately 48.86° N, indicating that it is 48.86 degrees north of the Earth's equator.
Etymology Derived from the Latin word dilatare meaning to widen expand Meaning
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