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: Studying asymmetry helps in understanding how shapes differ from being perfectly symmetrical .

asymmetric

[Adjective]

not having identical parts facing each other or around an axis

Ex: The asymmetric layout of the garden incorporated winding paths and varied plantings for a naturalistic feel .

symmetric

[Adjective]

having identical parts facing each other or around an axis

Ex: The symmetric alignment of the columns in the building 's facade added to its grandeur .

geometric

[Adjective]

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

Ex: Geometric transformations like translations , rotations , and reflections are used in computer graphics to manipulate images and objects .

hemisphere

[noun]

either half of a sphere

Ex: The dome 's structure resembled a hemisphere, providing a spacious and airy interior .

diagonal

[Adjective]

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

Ex: The designer added a bold diagonal stripe that extended from the top left corner to the bottom right corner of the canvas .

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 crescent of the new moon was barely visible against the twilight sky .

arc

[noun]

a curved shape

Ex: He carved arcs into the wooden panel .

axis

[noun]

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

Ex: In geometry , an axis helps describe orientation and symmetry .

perimeter

[noun]

the total length of the external boundary of something

Ex: The science project required students to build a model volcano and measure the perimeter of its base for stability analysis .

semicircle

[noun]

any half of a circle

Ex: The audience formed a semicircle around the street performer .

cylinder

[noun]

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

Ex: The ancient columns were made in the shape of massive stone cylinders, supporting the grand structure .

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 tent had a triangular opening at the front .

spiral

[Adjective]

having a shape that winds around a central point or axis

Ex: The corkscrew had a spiral screw that easily penetrated the cork .

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 garden featured an oblong pond with curved corners, creating a peaceful and inviting atmosphere.

oval

[noun]

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

Ex: In geometry , an oval is often described as an ellipse with varying lengths .

pentagon

[noun]

a geometric shape with five angles and five straight sides

Ex: She drew a pentagon on the chalkboard to illustrate its shape to the students .

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 lens corrected his vision, allowing him to see distant objects more clearly.

convex

[Adjective]

having a surface that is curved outward

Ex: The artist used a convex mold to create the rounded sculpture .

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: In geometry class , students learned how to calculate the area of a hexagon.

polygon

[noun]

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

Ex: Polygons can be classified based on the number of their sides , such as pentagons and hexagons .

octagon

[noun]

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

Ex: The child 's drawing featured a perfectly symmetrical 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 roof of the gazebo sheltered picnickers from the sun , its peaked design adding charm to the park .

cubic

[Adjective]

resembling a cube in shape

Ex: The cubic block of cheese sat on the cutting board .

curl

[noun]

something that resembles a spiral or coil

Ex: The waves crashed against the shore , leaving behind frothy curls of foam .

lozenge

[noun]

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

Ex: The logo consists of a red lozenge on a white background .

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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