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oval    音标拼音: ['ovəl]
n. 椭圆形
a. 卵形的,椭圆形的

椭圆形卵形的,椭圆形的

oval
adj 1: rounded like an egg [synonym: {egg-shaped}, {elliptic},
{elliptical}, {oval}, {oval-shaped}, {ovate}, {oviform},
{ovoid}, {prolate}]
n 1: a closed plane curve resulting from the intersection of a
circular cone and a plane cutting completely through it;
"the sums of the distances from the foci to any point on an
ellipse is constant" [synonym: {ellipse}, {oval}]

Oval \O"val\, n.
A body or figure in the shape of an egg, or popularly, of an
ellipse.
[1913 Webster]

{Cassinian oval} (Geom.), the locus of a point the product of
whose distances from two fixed points is constant; -- so
called from Cassini, who first investigated the curve.
Thus, in the diagram, if P moves so that P A.P B is
constant, the point P describes a Cassinian oval. The
locus may consist of a single closed line, as shown by the
dotted line, or of two equal ovals about the points A and
B.
[1913 Webster]
[1913 Webster] Ovalbumin


Oval \O"val\, a. [F. ovale, fr. L. ovum egg. Cf. {Egg}, {Ovum}.]
1. Of or pertaining to eggs; done in the egg, or inception;
as, oval conceptions. [Obs.]
[1913 Webster]

2. Having the figure of an egg; oblong and curvilinear, with
one end broader than the other, or with both ends of about
the same breadth; in popular usage, elliptical.
[1913 Webster]

3. (Bot.) Broadly elliptical.
[1913 Webster]

{Oval chuck} (Mech.), a lathe chuck so constructed that work
attached to it, and cut by the turning tool in the usual
manner, becomes of an oval form.
[1913 Webster]

55 Moby Thesaurus words for "oval":
archery ground, athletic field, badminton court, baseball field,
basketball court, billiard parlor, bowling alley, bowling green,
course, court, cricket ground, croquet ground, croquet lawn,
diamond, egg-shaped, ellipse, ellipsoidal, elliptic, elliptical,
fairway, field, football field, glaciarium, golf course,
golf links, gridiron, gym, gymnasium, ice rink, infield, links,
obovate, obovoid, outfield, ovate, oviform, ovoid, ovule,
playground, playing field, playroom, polo ground, pool hall,
poolroom, putting green, racecourse, racket court, rink,
skating rink, soccer field, squash court, stretch, tennis court,
track, turf


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  • Oval - Wikipedia
    An oval (from Latin ovum ' egg ') is a closed curve in a plane which resembles the outline of an egg The term is not very specific, but in some areas of mathematics (projective geometry, technical drawing, etc ), it is given a more precise definition, which may include either one or two axes of symmetry of an ellipse In common English, the
  • OVAL Definition Meaning - Merriam-Webster
    The meaning of OVAL is an oval figure or object How to use oval in a sentence
  • OVAL | English meaning - Cambridge Dictionary
    OVAL definition: 1 shaped like a circle that is flattened so that it is like an egg or an ellipse: 2 an oval… Learn more
  • What Is an Oval Shape? Definition, Properties, Examples - SplashLearn
    An oval shape is a closed and curved 2D shape with no edges or vertices, and only one flat face, similar to the outline of an egg Know the properties and more Parents
  • OVAL definition and meaning | Collins English Dictionary
    Oval things have a shape that is like a circle but is wider in one direction than the other He was a man in his late thirties, with fine, dark hair and a pale oval face the small oval framed picture of a little boy
  • OVAL Definition Meaning | Dictionary. com
    having the general form, shape, or outline of an egg; egg-shaped ellipsoidal or elliptical an object of oval shape a body or plane figure that is oval in shape or outline an elliptical field or a field on which an elliptical track is laid out, as for athletic contests Informal a football
  • Oval Shape - Meaning, Properties, Construction, Examples - Cuemath
    An oval shape is a 2D closed geometric shape with no straight lines or vertices It is a curved figure with one flat face that resembles the shape of an egg Learn more about the oval shape in this article
  • oval - Wiktionary, the free dictionary
    oval (comparative more oval, superlative most oval) Having the shape of an oval Of or pertaining to an ovum Every congenital abnormality is doubtless due to a peculiarity in the sperm or oval elements or in their mingling, or to some disturbance in their early development
  • Oval vs. Circle — What’s the Difference?
    An "oval" is an elongated, closed curve resembling an egg, while a "circle" is a perfectly round shape with all points equidistant from its center
  • Oval -- from Wolfram MathWorld
    An oval is a curve resembling a squashed circle but, unlike the ellipse, without a precise mathematical definition The word oval derived from the Latin word "ovus" for egg Unlike ellipses, ovals sometimes have only a single axis of reflection symmetry (instead of two)





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