Page 151 - ICSE GEOGRAPHY

Important Terms and Places

Chapter 1 - Representation of Geographical G
Features
Gradient: A slope
C H

Centralised: Activities brought together in one place Hourglass: Shaped like an hourglass or a fi gure-eight
Col: The lowest point of a ridge or saddle between
two peaks, typically providing a pass from one side of I
a mountain range to another Index contour: A contour line shown on a map in a
distinctive manner for ease of identifi cation, being
Contour interval: The vertical distance between the
printed more heavily than other contour lines and
elevations represented by adjacent contour lines on
generally labelled with a value
a map
Infrastructure: The basic physical and organizational
Contour line: A line on a map joining points of equal
structures and facilities needed for the operation of a
height above or below sea level
society or enterprise
Contour map: A map marked with contour lines
Intermediate contour: A contour line drawn between
Correlation: Degree and type of relationship between
index contours
any two or more quantities or phenomenon
Interspersed: Scattered among or between other
Crest: The top of a mountain or hill
things
Cross stream: The numerous instances where small
perennial or intermittent streams are crossed by L
roads, pipelines, railways, or any other thing which Latitudinal extent: The angular distance north or
might restrict the fl ow of the steam in ordinary or south of the earth’s equator, measured in degrees
flood conditions along a meridian, as on a map or globe
D Lhotse: The fourth highest mountain in the world

Dam: A barrier constructed to hold back water and Longitudinal extent: Relating to length or the
raise its level, forming a reservoir used to generate lengthwise dimension
electricity or as a water supply M
Depression: A landform sunken or depressed below
Marginal: Relating to or at the edge or margin
the surrounding area
Mount Everest: A mountain on the boundary
Dispersed: Distributed or spread over a wide area between Nepal and Tibet, in the Himalayas which

Drainage pattern: The pattern formed by the streams, is the highest mountain in the world
rivers, and lakes in a particular drainage basin from
which a stream receives runoff and groundwater fl ow N
Notch: A deep, narrow mountain pass
E
Nucleated: Form around a central area
Elevation: Height above a given level, especially sea
level P
Elongate: Make something longer, especially Pass: A gap, or break, in high, rugged terrain such as
unusually so in relation to its width a mountain ridge

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