Advanced Vocabulary for TOEFL - Shapes

Here you will learn some English words about shapes, such as "diagonal", "prism", "oval", etc. that are needed for the TOEFL exam.

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asymmetry

[noun]

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

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

asymmetric

[Adjective]

not having identical parts facing each other or around an axis

Ex: The asymmetric shape of the abstract sculpture challenged viewers' perceptions, with its irregular forms and angles.

symmetric

[Adjective]

having identical parts facing each other or around an axis

Ex: The symmetric design of the butterfly's wings showcased its beauty, with intricate patterns mirrored on either side.

geometric

[Adjective]

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

Ex: Geometric shapes such as squares, circles, and triangles are fundamental in geometry.

hemisphere

[noun]

either half of a sphere

Ex: The sports arena's roof was designed in the shape of a hemisphere.

diagonal

[Adjective]

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

Ex: The diagonal line on the graph represented the trend of increasing sales over time.

crescent

[noun]

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

Ex: The moon hung low in the sky, its slender crescent casting a gentle light.

arc

[noun]

a curved shape

Ex: The rainbow formed a bright arc in the sky.

axis

[noun]

a straight line that defines the symmetry or structure of a figure or object

Ex: The artist drew an axis to guide the proportions of the face.

perimeter

[noun]

the total length of the external boundary of something

Ex: The geometry student calculated the perimeter of the rectangular garden to determine how much fencing would be needed.

semicircle

[noun]

any half of a circle

Ex: The children sat in a semicircle around the teacher during story time.

cylinder

[noun]

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

Ex: The glass on the table was in the shape of a tall, slender cylinder.

prism

[noun]

(geometry) a solid figure with flat sides and two parallel ends of the same size and shape

triangular

[Adjective]

shaped like a triangle, with three sides and three angles

Ex: The cake was cut into small triangular slices for the guests.

spiral

[Adjective]

having a shape that winds around a central point or axis

Ex: The staircase featured a spiral design, allowing for a compact and visually striking ascent.

concentric

[Adjective]

describing circles, arcs, or rings that have the same center

oblong

[noun]

a rectangular figure that has unequal adjacent sides with arched angles

Ex: The rug in the living room was an attractive oblong with intricate patterns.

oval

[noun]

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

Ex: The artist painted an oval in the center of the canvas for emphasis.

pentagon

[noun]

a geometric shape with five angles and five straight sides

Ex: The flag of the city had a pentagon in the center, symbolizing the five founders.

zigzag

[noun]

(geometry) a shape that consists of a line alternating its direction to left and right

concave

[Adjective]

having a surface that is curved inward

Ex: The concave mirror focused the light into a single point, making it perfect for starting a fire.

convex

[Adjective]

having a surface that is curved outward

Ex: The convex mirror in the hallway made the space appear larger than it actually was.

helix

[noun]

(geometry) a line curved on a conical or cylindrical surface, like a spiral staircase in shape

hexagon

[noun]

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

Ex: She decided to tile her bathroom floor with hexagon-shaped tiles.

polygon

[noun]

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

Ex: A triangle is the simplest type of polygon with three sides.

octagon

[noun]

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

Ex: The stop sign is shaped like an octagon.

rhombus

[noun]

(geometry) a flat shape with four equal sides in which opposite angles are equal

rhomboid

[noun]

(geometry) a parallelogram with four straight sides and no right angles

conical

[Adjective]

resembling a cone in shape

Ex: The conical party hat perched atop his head, adding a festive touch to the celebration.

cubic

[Adjective]

resembling a cube in shape

Ex: The cubic sculpture stood in the courtyard, its smooth sides reflecting sunlight.

curl

[noun]

something that resembles a spiral or coil

Ex: She had a perfect curl in her hair, framing her face beautifully.

lozenge

[noun]

(geometry) a four-sided figure with opposite equal angles, forming a diamond shape

Ex: The pattern on the floor was made of blue and white lozenges.

Advanced Vocabulary for TOEFL
Feelings and Emotions	Advice and Decision	Personal Characteristics	Shapes
The Animal Kingdom	Food and Restaurant	Healthcare and Medicine	Physical Conditions and Injuries
Mental Health and Disorders	Politics	Religion	Hatred or Affection
The Law	Doubt and Certainty	Crime and Punishment	Society
Social Problems	Argumentation	Persuasion and Agreement	Preference, Obligation, and Permission

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