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oval    音標拼音: ['ovəl]
n. 橢圓形
a. 卵形的,橢圓形的

橢圓形卵形的,橢圓形的

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查看 oval 在Google字典中的解釋Google英翻中〔查看〕
oval查看 oval 在Yahoo字典中的解釋Yahoo英翻中〔查看〕





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