Advanced Vocabulary for TOEFL - Shapes

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

not having identical parts facing each other or around an axis

having identical parts facing each other or around an axis

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

either half of a sphere

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

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

a curved shape, or something shaped this way

(geometry) an arbitrary straight line that passes through the center of a symmetrical object or around which an object spins

the total length of the external boundary of something

any half of a circle

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

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

shaped like a triangle, with three sides and three angles

having a shape that winds around a central point or axis

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

a rectangular figure that has unequal adjacent sides with arched angles

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

a geometric shape with five angles and five straight sides

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

having a surface that is curved inward

having a surface that is curved outward

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

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

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

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

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

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

resembling a cone in shape

resembling a cube in shape

something that resembles a spiral or coil

(geometry) a figure with four sides and two opposite angles more than 90° and two of less than 90°