Browse Lemmas

Lemmas found: 32

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circle

A round plane figure whose boundary consists of points equidistant from a fixed center point.

Noun shape Level 4
cube

A three-dimensional solid object bounded by six square faces, with three meeting at each vertex.

Noun shape Level 4
hexagon

A plane figure with six straight sides and six angles.

Noun shape Level 4
octagon

A plane figure with eight straight sides and eight angles.

Noun shape Level 4
oval

A rounded, elongated shape resembling an egg or ellipse.

Noun shape Level 4
pentagon

A plane figure with five straight sides and five angles.

Noun shape Level 4
pyramid

A three-dimensional shape with a polygonal base and triangular faces that meet at a common point (apex).

Noun shape Level 4
rectangle

A plane figure with four straight sides and four right angles, especially one with unequal adjacent sides.

Noun shape Level 4
sphere

A perfectly round three-dimensional shape; every point on its surface is equidistant from the center.

Noun shape Level 4
square

A plane figure with four equal straight sides and four right angles.

Noun shape Level 4
star

A shape with multiple pointed extensions radiating from a center.

Noun shape Level 4
triangle

A plane figure with three straight sides and three angles.

Noun shape Level 4
cone

A three-dimensional shape that tapers smoothly from a flat circular base to a point called the apex.

Noun shape Level 12
cylinder

A three-dimensional shape with straight parallel sides and circular ends of equal size.

Noun shape Level 12
angle

the space between two lines or surfaces that meet at a point, measured in degrees.

Noun shape Level 370
centre

The point that is equally distant from all points on the boundary of a circle or sphere; the middle point of a shape or area.

Noun shape Level 370
coil

A series of loops formed by winding a flexible material around itself or around something else.

Noun shape Level 370
curve

a line that bends smoothly without sharp angles.

Noun shape Level 370
edge

the outer boundary or sharp side of a surface or object.

Noun shape Level 370
hypotenuse

The side of a right triangle opposite the right angle, and the longest side of the triangle.

Noun shape Level 370
outline

A line or set of lines showing the outer edge or shape of something.

Noun shape Level 370
parabola

A symmetrical curve in a plane formed by the intersection of a cone with a plane parallel to one of its sides; in coordinates, the graph of a quadrati...

Noun shape Level 370
parallelogram

A four-sided plane figure with two pairs of opposite sides parallel.

Noun shape Level 370
polygon

A closed two-dimensional geometric figure made of three or more straight line segments joined end to end.

Noun shape Level 370
quadrilateral

A plane geometric figure with four straight sides and four angles.

Noun shape Level 370
shape

the external form or outline of something.

Noun shape Level 370
tangent

A straight line that touches a curve at exactly one point without crossing it there.

Noun shape Level 370
polyhedron

A three-dimensional geometric solid bounded by a finite number of flat polygonal faces, with edges and vertices where the faces meet.

Noun shape Level 1080
sector

A part of a circle enclosed by two radii and the arc between them.

Noun shape Level 1080
torus

A doughnut-shaped surface or solid generated by rotating a circle around an axis in the same plane that does not intersect the circle.

Noun shape Level 1080
cross-section

A surface or shape produced by cutting through something, especially perpendicular to its length, showing its internal structure.

Noun shape Level 1120
hyperbola

A hyperbola is a conic section consisting of points for which the absolute difference of distances to two fixed foci is constant.

Noun shape Level 1399