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diameter    音標拼音: [dɑɪ'æmətɚ]
n. 直徑,徑

直徑,徑

diameter
直徑

diameter
直徑

diameter
n 1: the length of a straight line passing through the center of
a circle and connecting two points on the circumference
[synonym: {diameter}, {diam}]
2: a straight line connecting the center of a circle with two
points on its perimeter (or the center of a sphere with two
points on its surface)

Diameter \Di*am"e*ter\, n. [F. diam[`e]tre, L. diametros, fr.
Gr. ?; dia` through ? measure. See {Meter}.]
1. (Geom.)
(a) Any right line passing through the center of a figure
or body, as a circle, conic section, sphere, cube,
etc., and terminated by the opposite boundaries; a
straight line which bisects a system of parallel
chords drawn in a curve.
(b) A diametral plane.
[1913 Webster]

2. The length of a straight line through the center of an
object from side to side; width; thickness; as, the
diameter of a tree or rock.
[1913 Webster]

Note: In an elongated object the diameter is usually taken at
right angles to the longer axis.
[1913 Webster]

3. (Arch.) The distance through the lower part of the shaft
of a column, used as a standard measure for all parts of
the order. See {Module}.
[1913 Webster]

{Conjugate diameters}. See under {Conjugate}.
[1913 Webster]

89 Moby Thesaurus words for "diameter":
air line, amplitude, area, axis, beeline, bigness, bisector, body,
bore, boundary, breadth, bulk, caliber, center, chord, core,
coverage, depth, diagonal, diaphragm, dimension, dimensions,
direct line, directrix, divider, edge, equator, expanse, expansion,
extension, extent, gauge, girth, great-circle course, greatness,
halfway mark, heart, height, interior, kernel, largeness, length,
line of demarcation, magnitude, mass, mean, measure, measurement,
median, middle, midmost, midriff, midst, normal, nucleus,
partition, perpendicular, proportion, proportions, radius,
radius vector, range, reach, right line, scale, scope, secant,
segment, semidiameter, shortcut, side, size, spread, straight,
straight course, straight line, straight stretch, straightaway,
streamline, tangent, thick, thick of things, transversal, vector,
volume, waist, waistline, width, zone

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英文字典中文字典相關資料:
  • Diameter - Wikipedia
    In geometry, a diameter of a circle is any straight line segment that passes through the centre of the circle and whose endpoints lie on the circle It can also be defined as the longest chord of the circle Both definitions are also valid for the diameter of a sphere In more modern usage, the length of a diameter is also called the diameter
  • DIAMETER Definition Meaning - Merriam-Webster
    The meaning of DIAMETER is a chord passing through the center of a figure or body How to use diameter in a sentence
  • Diameter of a Circle - Definition, Examples | Diameter Formula - Cuemath
    Diameter of a circle is any straight line segment that passes through the center of the circle and whose endpoints lie on the circumference of a circle Learn how to find the diameter of a circle using radius, circumference, and area
  • Diameter Definition (Illustrated Mathematics Dictionary) - Math is Fun
    Illustrated definition of Diameter: The distance from one point on a circle through the center to another point on the circle It is also the
  • DIAMETER | English meaning - Cambridge Dictionary
    DIAMETER definition: 1 (the length of) a straight line that reaches from one point on the edge of a round shape or… Learn more
  • Diameter Definition Meaning | Britannica Dictionary
    DIAMETER meaning: 1 : a straight line from one side of something (such as a circle) to the other side that passes through the center point; 2 : the distance through the center of something from one side to the other
  • Diameter of a Circle - BYJUS
    The diameter divides the circle into two equal parts and thus produces two equal semicircles The midpoint of the diameter is the centre of the circle The radius should be half of the diameter
  • What does diameter mean? - Definitions. net
    Diameter refers to a straight line passing from one side of a circle (or sphere) to another through its center More generally, in geometry, it can refer to the maximum distance between any two points within a given shape or object the distance through the lower part of the shaft of a column, used as a standard measure for all parts of the order
  • DIAMETER definition and meaning | Collins English Dictionary
    The diameter of a circle or sphere is the length of a straight line through the middle of it
  • In math, the diameter of a circle starts on one edge, like in the . . .
    Definition: The diameter of a circle is the distance from one edge of the circle to the other edge and, most importantly, through the circle's center or Definition : The diameter is the length of the segment through the center that touches two points on the edge of the circle





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