Words related to "Shapes" | Advanced Vocabulary for TOEFL

asymmetry

noun

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(geometry) a lack of symmetry or equivalence in shape or size between the two sides or parts of something

symmetry

Example

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In geometry, asymmetry means the two sides are not identical.

The asymmetry of the triangle was noted in the geometry lesson.

asymmetric

Adjective

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not having identical parts facing each other or around an axis

symmetrical

symmetric

Adjective

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having identical parts facing each other or around an axis

asymmetrical

geometric

Adjective

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connected with the branch of mathematics that deals with the relationships between lines, angles and surfaces

hemisphere

noun

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either half of a sphere

diagonal

Adjective

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ia

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(of a straight line) joining opposite corners of a flat shape at an angle

crescent

noun

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a curved shape with narrow points at the ends that appears wider in the middle, like the shape of the moon in its first and last quarters

perimeter

noun

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the total length of the external boundary of something

semicircle

noun

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ɜ:

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any half of a circle

cylinder

noun

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(geometry) a solid or hollow shape with two circular bases at each end and straight parallel sides

triangular

Adjective

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aɪæ

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ə

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shaped like a triangle, with three sides and three angles

spiral

Adjective

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aɪ

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having a shape that winds around a central point or axis

oblong

noun

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a rectangular figure that has unequal adjacent sides with arched angles

oval

noun

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a shape that is wide in the middle and narrow at both ends

pentagon

noun

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a geometric shape with five angles and five straight sides

concave

Adjective

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o

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n

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having a surface that is curved inward

convex

Adjective

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having a surface that is curved outward

concave

hexagon

noun

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ə

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n

(geometry) a closed shape with six straight sides and six angles

polygon

noun

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l

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(geometry) a flat shape consisting of three or more straight sides

octagon

noun

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(geometry) a polygon consisting of eight straight sides and eight angles

conical

Adjective

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resembling a cone in shape

cubic

Adjective

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ju

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resembling a cube in shape

linear

curl

noun

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something that resembles a spiral or coil

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