2D Shapes
These shapes are flat and have only two dimensions—length and width.
Circle ⚪️ – A round shape with no corners or edges, commonly seen in wheels.
Square ◼️ – A shape with four equal sides and four right angles.
Triangle 🔺 – A shape with three sides, commonly seen in road signs.
Rectangle ▭ – A four-sided shape with opposite sides equal and four right angles.
Oval 🥚 – An elongated circle, often seen in egg shapes.
Pentagon 🔷 – A five-sided polygon, often associated with buildings like the Pentagon.
Hexagon ⬡ – A six-sided polygon, often seen in honeycomb structures.
Heptagon 🔷 – A seven-sided polygon, less commonly seen but used in design.
Octagon ⯂ – An eight-sided polygon, commonly seen in stop signs.
Nonagon ⯃ – A nine-sided polygon, rarely seen but used in specialized fields.
Decagon 🔟 – A ten-sided polygon, used in design and tiling patterns.
Trapezoid 🔸 – A four-sided shape with one pair of parallel sides.
Parallelogram ▱ – A shape where opposite sides are parallel, like a slanted rectangle.
Rhombus 🔷 – A diamond-shaped quadrilateral where all sides are equal.
Kite 🪁 – A four-sided shape with two distinct pairs of adjacent sides equal.
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3D Shapes
These shapes have three dimensions—length, width, and height.
Sphere ⚽️ – A perfectly round 3D shape, like a ball.
Cube 🎲 – A 3D shape with six equal square faces.
Cylinder 🥤 – A 3D shape with circular faces and straight sides, like a soda can.
Cone 🍦 – A 3D shape with a circular base tapering to a point, like an ice cream cone.
Pyramid 🔺 – A shape with a polygonal base and triangular faces that meet at a point.
Tetrahedron 🔺 – A pyramid with a triangular base, used in geometry and dice.
Rectangular Prism 📦 – A 3D box-shaped object with rectangular faces.
Pentagonal Prism 🔷 – A prism with pentagon-shaped faces, used in advanced geometry.
Hexagonal Prism 🛑 – A prism with hexagon-shaped faces, seen in architecture.
Dodecahedron 🎲 – A 12-sided polyhedron, often seen in gaming dice.
Icosahedron 🔷 – A 20-sided polyhedron, used in gaming and geometric models.
Ellipsoid 🥚 – A stretched sphere, similar to an egg shape in 3D.
Torus 🍩 – A doughnut-shaped figure, used in mathematics and design.
Hemisphere 🌗 – Half of a sphere, like the Earth’s hemispheres.
Triangular Prism 🔺 – A prism with triangular bases, used in optics and design.
Polygons
Polygons are flat shapes with straight sides.
Equilateral Triangle 🔺 – A triangle where all sides are equal.
Scalene Triangle 🔺 – A triangle with no sides of equal length.
Isosceles Triangle 🔺 – A triangle with two equal sides.
Right Triangle 🔺 – A triangle with one 90-degree angle.
Quadrilateral ◼️ – A general term for four-sided polygons.
Regular Pentagon 🔷 – A five-sided polygon where all sides and angles are equal.
Regular Octagon ⯂ – An eight-sided polygon with equal sides and angles.
Concave Polygon 🔻 – A polygon with at least one interior angle greater than 180°.
Convex Polygon 🔷 – A polygon where all interior angles are less than 180°.
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Advanced Shapes
These include more complex geometric figures.
Stellated Dodecahedron 🔷 – A complex star-shaped polyhedron.
Tesseract 🌀 – A 4D hypercube, often used in theoretical physics.
Hyperboloid 🌀 – A curved 3D surface, used in architecture and science.
Paraboloid 🌀 – A 3D shape formed by rotating a parabola, used in satellite dishes.
Lemniscate ∞ – A figure-eight shape, commonly used to represent infinity.
Annulus 🍩 – A ring-shaped object or region.
Spherical Cap 🧢 – A portion of a sphere, resembling a dome.
Frustum 🎛️ – A cone or pyramid with the top cut off.
Biconvex Lens 👓 – A shape formed by two outward-curving surfaces.
Hyperbola 🌀 – A two-branched curve used in mathematics.
Helix 🌀 – A spiral shape, seen in springs or DNA structures.
Trefoil Knot 🔗 – A knot with three loops, used in topology.
Mobius Strip 🔄 – A one-sided surface with a twist, used in mathematics.
Star Shapes
Star ⭐ – A basic five-pointed star, often seen in the night sky.
Six-pointed Star ✡️ – A star with six points, also known as the Star of David.
Eight-pointed Star ✴️ – A star with eight points, used in design.
Ten-pointed Star 🔟 – A star with ten points, seen in intricate patterns.
Twelve-pointed Star 🌟 – A star with twelve points, often used in advanced designs.
Curves and Arcs
These shapes are formed by curved lines.
Arc 🌀 – A portion of a circle’s circumference.
Ellipse 🥚 – A stretched circle, like an oval, seen in planetary orbits.
Parabola 🌀 – A U-shaped curve, used in physics and mathematics.
Hyperbolic Curve 🌀 – A two-branched curve, used in geometry.
Lemniscate ∞ – A figure-eight or infinity symbol.
Irregular Shapes
These shapes don’t fit regular patterns but are still used in various contexts.
Heart ❤️ – A heart shape, often representing love.
Crescent 🌙 – A curved moon-like shape.
Teardrop 💧 – A droplet-shaped figure, often used to represent water.
Diamond 💎 – A quadrilateral that resembles a gem.
Cloud ☁️ – A fluffy shape, often representing weather.
Flower Shape 🌸 – A floral design, seen in nature and patterns.
Cross ✝️ – A shape with intersecting lines, often used in religion and design.
Arrow ➡️ – A directional shape, used in navigation.
Chevron ➤ – A V-shaped pattern, commonly used in military insignias.
Zigzag ⚡ – A series of sharp turns, often seen in design or patterns.
Spiral 🌀 – A curve that winds around a central point.
Blob 🔵 – An irregular rounded shape, often used to represent an abstract form.
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Complex Polyhedra
These shapes are advanced 3D figures often used in mathematical models.
Truncated Cube 🎲 – A cube with its corners cut off.
Truncated Icosahedron ⚽ – The shape of a soccer ball, with 20 hexagons and 12 pentagons.
Stellated Octahedron ✳️ – A star-shaped polyhedron with eight faces.
Snub Cube 🔳 – A polyhedron with 38 faces, used in advanced geometry.
Pentagonal Pyramid 🔷 – A pyramid with a pentagon-shaped base.
Hexagonal Pyramid 🔺 – A pyramid with a hexagonal base.
Fractal Shapes
These shapes are self-similar and appear the same at different scales.
Koch Snowflake ❄️ – A fractal curve with infinite perimeter but finite area.
Sierpinski Triangle 🔺 – A triangle divided into smaller triangles infinitely.
Cantor Set ➖ – A set of points arranged in a fractal pattern.
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Miscellaneous
These shapes don’t fit into the standard categories but are useful in specific contexts.
Bullet Shape 🔘 – A shape with a round top and straight sides, often used in lists.
Wedge 🔪 – A triangular shape used in tools.
Prism 📐 – A shape with two identical faces and parallelogram sides.
Additional 2D Shapes
Semicircle 🌗 – A half-circle, often seen in protractors and windows.
Quadrant 🔘 – One-quarter of a circle, used in graphing and navigation.
Annulus 🧿 – A ring-shaped object or circular band.
Lune 🌒 – A crescent shape formed between two intersecting arcs.
Sector 🥧 – A portion of a circle, similar to a slice of pie.
Reuleaux Triangle 🔺 – A curved triangle with constant width.
Chiliagon 🔲 – A polygon with 1,000 sides, used in theoretical geometry.
Monogon 🔵 – A one-sided polygon, used in abstract geometry.
Digon 🔶 – A two-sided polygon in spherical geometry.
Enneagon ⯃ – A nine-sided polygon, also known as a nonagon.
Additional 3D Shapes
Oblate Spheroid 🥎 – A flattened sphere, like the shape of Earth.
Prolate Spheroid 🏈 – A stretched-out sphere, resembling a rugby ball.
Antiprism 🛑 – A polyhedron with two parallel faces, connected by triangles.
Stellated Icosahedron 🌟 – A star-shaped icosahedron with pointed vertices.
Triakis Icosahedron 🔷 – A polyhedron with triangular faces, used in mathematics.
Zonohedron 🔳 – A polyhedron where every face is a polygon with point symmetry.
Rhombohedron 🔷 – A 3D shape where all faces are rhombuses.
Truncated Tetrahedron 🛑 – A tetrahedron with truncated vertices, forming hexagonal faces.
Gyroelongated Square Pyramid 🏔️ – A pyramid shape extended along its axis.
Hexagonal Bipyramid 🏔️ – A shape made of two pyramids attached at their hexagonal bases.
Cupola 🏛️ – A 3D shape with a polygonal base and curved top, often seen in architecture.
Advanced Geometric Shapes
Enneagram ✳️ – A nine-pointed star, used in personality models and geometry.
Truncated Octahedron ⚙️ – A polyhedron formed by truncating an octahedron.
Rhombohedron 🔷 – A solid where all six faces are rhombuses.
Disphenoid 🔷 – A tetrahedron where all four faces are congruent triangles.
Hosohedron 🔲 – A polyhedron with two faces, used in spherical geometry.
Gyroelongated Pentagonal Bipyramid 🏔️ – A complex polyhedron with 12 faces.
Tetrakis Hexahedron 🎲 – A shape formed by adding pyramids to each face of a cube.
Trapezohedron 🔺 – A polyhedron with kite-shaped faces, used in crystallography.
Spherical Triangle 🔺 – A triangle on the surface of a sphere.
Great Rhombicuboctahedron 🔳 – A complex polyhedron with 26 faces.
Tiling and Tessellation Shapes
Tiling Hexagon ⬢ – A shape used to create a honeycomb tiling.
Cairo Pentagonal Tiling 🔷 – A pentagon-shaped tile used in tessellation.
Rhombille Tiling 🔷 – A tiling made up of rhombus-shaped tiles.
Penrose Tiling 🌐 – A non-repeating tiling pattern, used in advanced geometry.
Aperiodic Tiling 🔲 – A tiling pattern that never repeats, used in mathematics.
Square Tiling 🟦 – A grid of squares, commonly used in flooring.
Hexagonal Tiling ⬡ – A tiling pattern made of hexagons, often used in designs.
Fractal and Self-Similar Shapes
Mandelbrot Set 🌀 – A famous fractal shape with infinite detail.
Dragon Curve 🐉 – A self-similar fractal, appearing in mathematical models.
Peano Curve 🌀 – A space-filling curve, used in fractal geometry.
Sierpinski Carpet 🔲 – A fractal formed by recursively removing squares from a grid.
Menger Sponge 🌀 – A 3D fractal structure made of cubes within cubes.
Irregular and Abstract Shapes
Arrowhead ➤ – A triangular shape used in direction and navigation.
Hourglass ⏳ – A shape formed by two cones joined at their tips.
Shield Shape 🛡️ – A protective, often irregular, shape used in design.
Plectrum 🔷 – A teardrop or triangular shape used in music (guitar pick).
Spindle 🌀 – A curved shape that tapers at both ends, often used in design.
Boomerang 🌀 – A curved, L-shaped object, traditionally used in hunting.
Wave Shape 🌊 – A flowing curve representing movement or water.
Blob 🔵 – An irregularly shaped figure, often representing an undefined mass.
Stars and Special Shapes
Three-pointed Star ✴️ – A star with three points, used in logos and design.
Five-pointed Star ⭐ – A common star shape used in symbolism.
Seven-pointed Star ✳️ – A star with seven points, used in advanced patterns.
Arrow Loop ➿ – A shape resembling a looped arrow, used in directional signs.
Circle Segment 🟔 – A portion of a circle, used in pie charts and diagrams.
Natural and Organic Shapes
Leaf Shape 🍃 – A shape resembling the natural form of a leaf.
Snowflake ❄️ – A complex, symmetrical shape formed by ice crystals.
Shell Spiral 🐚 – A natural spiral shape seen in seashells.
Starfish Shape 🌟 – A natural star shape seen in marine life.
Waveform 🔊 – A wave-shaped form, used in audio signals.
Clover Shape 🍀 – A shape resembling a three-leaf clover.
Puzzle Piece 🧩 – An interlocking shape, used in puzzles.
Infinity Shape ∞ – A looped shape representing boundlessness.
As an experienced author for Collective Nouns World, I specialize in exploring the richness of English vocabulary. My passion lies in uncovering the fascinating names and collective nouns that enhance our understanding of language. Through engaging articles, I aim to inspire readers to appreciate the nuances of words. Join me on this journey to expand your vocabulary and deepen your love for language!