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hemisphere    音标拼音: [h'ɛmɪsf,ɪr]
n. 半球,地球的半面,大脑半球

半球,地球的半面,大脑半球

hemisphere
n 1: half of the terrestrial globe
2: half of a sphere
3: either half of the cerebrum [synonym: {hemisphere}, {cerebral
hemisphere}]

Hemisphere \Hem"i*sphere\, n. [L. hemisphaerium, Gr. ?; ? half =
? sphere: cf. F. h['e]misph[`e]re. See {Hemi-}, and
{Sphere}.]
1. A half sphere; one half of a sphere or globe, when divided
by a plane passing through its center.
[1913 Webster]

2. Half of the terrestrial globe, or a projection of the same
in a map or picture.
[1913 Webster]

3. The people who inhabit a hemisphere.
[1913 Webster]

He died . . . mourned by a hemisphere. --J. P.
Peters.
[1913 Webster]

{Cerebral hemispheres}. (Anat.) See {Brain}.

{Magdeburg hemispheres} (Physics), two hemispherical cups
forming, when placed together, a cavity from which the air
can be withdrawn by an air pump; -- used to illustrate the
pressure of the air. So called because invented by Otto
von Guericke at Magdeburg. Hemispheric


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  • Hemispheres of Earth - Wikipedia
    Northern Hemisphere: The half that lies north of the Equator This hemisphere contains approximately 68% of Earth's landmass and is home to about 90% of the global population [4] It includes North America, Europe, Asia, and most of Africa Southern Hemisphere: The half that lies south of the Equator It contains approximately 32% of Earth's
  • Hemisphere | Description, Types, Facts | Britannica
    In geometry, a sphere is the set of all points in three-dimensional space lying the same distance (the radius) from a given point (the center); a hemisphere is half of a sphere, cut along the diameter The curved surface area and volume of a hemisphere can be calculated by using the equations 2πr 2 and (2 3)πr 3, respectively
  • The 4 Hemispheres Of The World - WorldAtlas
    A hemisphere can be defined as any circle that has been drawn around the Earth and divides the Earth into two similar halves Four different hemispheres are generally considered by geographers These are the Northern, Southern, Eastern, and Western hemispheres
  • HEMISPHERE Definition Meaning - Merriam-Webster
    The meaning of HEMISPHERE is a half of the celestial sphere as divided into two halves by the horizon, the celestial equator, or the ecliptic How to use hemisphere in a sentence Did you know?
  • Hemisphere - Formula, Properties, Definition | Hemisphere Shape - Cuemath
    A hemisphere, in general, refers to half of the earth such as the northern hemisphere or the southern hemisphere But in geometry, a hemisphere is referred to as a 3D figure made from cutting a sphere into two equal halves with one flat side
  • HEMISPHERE | English meaning - Cambridge Dictionary
    HEMISPHERE definition: 1 one of two halves of the earth, especially above or below the equator: 2 one of the two halves… Learn more
  • Hemispheres: What Are the Four Quarters of the Earth?
    The Northern Hemisphere has most of Earth’s land and people, while the Southern Hemisphere is mostly water Hemispheric divisions have shaped cultures, economies, and politics over time Learning about each hemisphere’s unique traits helps us understand our planet’s diversity
  • HEMISPHERE Definition Meaning - Dictionary. com
    hemisphere One half of a sphere, formed by a plane that passes through the center of the sphere Either the northern or southern half of the Earth as divided by the equator, or the eastern or western half as divided by a meridian, especially the prime meridian
  • Hemisphere - Math. net
    A hemisphere is a 3D geometric figure that is half of a sphere (hemi- means half) Earth can be divided into the Northern Hemisphere and the Southern Hemisphere It can also be divided into the Eastern Hemisphere and the Western Hemisphere
  • hemisphere - Wiktionary, the free dictionary
    Half of the Earth, such as the Northern Hemisphere, Southern Hemisphere, Western Hemisphere or Eastern Hemisphere, Land Hemisphere, Water Hemisphere etc [1550s] Any half-sphere, formed by a plane intersecting the center of a sphere [1580s] (cartography) A map or projection of a celestial or terrestrial hemisphere [1706]





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