واژگان سطح پیشرفته برای TOEFL - شکل ها

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

نامتقارنی, بی‌تقارنی

not having identical parts facing each other or around an axis

نامتقارن

having identical parts facing each other or around an axis

متقارن

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

هندسی

either half of a sphere

نیمکره

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

قطری (خط), مورب، اریب

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

هلال

a curved shape, or something shaped this way

منحنی, منحنی

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

محور

the total length of the external boundary of something

محیط (هندسه)

any half of a circle

نیم‌دایره

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

استوانه

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

منشور

shaped like a triangle, with three sides and three angles

مثلثی, سه‌ضلعی، سه‌گوش

having a shape that winds around a central point or axis

مارپیچ

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

هم‌مرکز, متحدالمرکز

a rectangular figure that has unequal adjacent sides with arched angles

مستطیل دورگرد, round-edged rectangle

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

بیضی

a geometric shape with five angles and five straight sides

پنج‌ضلعی, پنج‌گوش

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

زیگزاگ

having a surface that is curved inward

مقعر, کاو

having a surface that is curved outward

محدب, منحنی

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

پیچه, پیچار

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

شش‌ضلعی

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

چندضلعی, چندگوش

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

هشت‌ضلعی, هشت‌گوش

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

لوزی, متوازی‌الاضلاع

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

متوازی‌الاضلاع

resembling a cone in shape

مخروطی‌شکل, مخروطی

resembling a cube in shape

مکعبی

something that resembles a spiral or coil

مارپیچ

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

لوزی