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geometry    音标拼音: [dʒi'ɑmətri]
n. 几何,几何形状,几何学

几何,几何形状,几何学

geometry
几何

geometry
n 1: the pure mathematics of points and lines and curves and
surfaces

Geometry \Ge*om"e*try\, n.; pl. {Geometries}[F. g['e]om['e]trie,
L. geometria, fr. Gr. ?, fr. ? to measure land; ge`a, gh^,
the earth ? to measure. So called because one of its
earliest and most important applications was to the
measurement of the earth's surface. See {Geometer}.]
1. That branch of mathematics which investigates the
relations, properties, and measurement of solids,
surfaces, lines, and angles; the science which treats of
the properties and relations of magnitudes; the science of
the relations of space.
[1913 Webster]

2. A treatise on this science.
[1913 Webster]

{Analytical geometry}, or {Co["o]rdinate geometry}, that
branch of mathematical analysis which has for its object
the analytical investigation of the relations and
properties of geometrical magnitudes.

{Descriptive geometry}, that part of geometry which treats of
the graphic solution of all problems involving three
dimensions.

{Elementary geometry}, that part of geometry which treats of
the simple properties of straight lines, circles, plane
surface, solids bounded by plane surfaces, the sphere, the
cylinder, and the right cone.

{Higher geometry}, that pert of geometry which treats of
those properties of straight lines, circles, etc., which
are less simple in their relations, and of curves and
surfaces of the second and higher degrees.
[1913 Webster]


Mathematics \Math`e*mat"ics\, n. [F. math['e]matiques, pl., L.
mathematica, sing., Gr. ? (sc. ?) science. See {Mathematic},
and {-ics}.]
That science, or class of sciences, which treats of the exact
relations existing between quantities or magnitudes, and of
the methods by which, in accordance with these relations,
quantities sought are deducible from other quantities known
or supposed; the science of spatial and quantitative
relations.
[1913 Webster]

Note: Mathematics embraces three departments, namely: 1.
{Arithmetic}. 2. {Geometry}, including {Trigonometry}
and {Conic Sections}. 3. {Analysis}, in which letters
are used, including {Algebra}, {Analytical Geometry},
and {Calculus}. Each of these divisions is divided into
pure or abstract, which considers magnitude or quantity
abstractly, without relation to matter; and mixed or
applied, which treats of magnitude as subsisting in
material bodies, and is consequently interwoven with
physical considerations.
[1913 Webster]


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英文字典中文字典相关资料:


  • Geometry - Wikipedia
    Geometry is, along with arithmetic, one of the oldest branches of mathematics A mathematician who works in the field of geometry is called a geometer
  • Geometry (all content) - Khan Academy
    Learn geometry—angles, shapes, transformations, proofs, and more
  • Geometry Dash Lite - Apps on Google Play
    Prepare for a near impossible challenge in the world of Geometry Dash Push your skills to the limit as you jump, fly and flip your way through dangerous passages and spiky obstacles Simple one
  • Geometry Dash Lite - Play Free in Browser | GeoDash. org
    Play Geometry Dash Lite free on GeoDash org - no download needed Master all 19 levels, collect secret coins, and beat every rhythm challenge in your browser
  • Geometry lessons - School Yourself
    Essential stuff for describing the world around you 1 Lines and angles 2 Related angles What about angles bigger than 360 degrees? 3 Triangles See if it's really true, and then prove it! They have two equal sides, but what about their angles? In triangles, sides and their opposite angles are related! 4 Triangle congruence and similarity
  • Geometry Dash | Play Geometry Dash Game
    In Geometry Dash, players control a cube to navigate through terrains in the level to the rhythm of the playing music You have to avoid all tricky traps that will immediately end the game upon contact
  • Geometry Dash
    Geometry Dash is an addictive rhythm-based platformer with thrilling challenges, unique levels, high scores, achievements, and more Jump, fly, and flip through dangerous obstacles and push your skills to the limit Play on your PC, MAC or mobile device!
  • Geometry - GeoGebra
    Interactive, free online geometry tool from GeoGebra: create triangles, circles, angles, transformations and much more!
  • Geometry Game Like Geometry Dash Play on CrazyGames
    Geometry Dash is a 2D platformer game where you are in charge of moving a shape through a bunch of obstacles, all to the beat of the music The square actually moves by itself, and all you have to do is click to jump when necessary and use the up down arrows to steer vehicles
  • Geometry - CliffsNotes
    Over 500 practice questions to further help you brush up on Algebra I Practice now! Q A I am confused about adding, subtracting, multiplying, and dividing negative numbers





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