⚫ Medium Black Circle

Black Circle was approved as part of Unicode 4.1 in 2005 under the name “Medium Black Circle” and added to Emoji 1.0 in 2015. Copy and paste http://emojipedia.org/medium-black-circle/

• Of, or relating to geometry.
• Of or relating to or determined by geometry
• Of or relating to geometry.
• Of, or relating to geometry; geometric.
• In the shape of, or moving in a circle.
• Circular or cylindrical; having a circular cross-section in one direction.
• Having a circular, cylindrical or spherical shape.
• Having a circular shape
• Being of the achromatic color of maximum darkness; having little or no hue owing to absorption of almost all incident light
• Absorbing all light and reflecting none; dark and hueless.
• Dark and colourless; not reflecting visible light.
• Absorbing all light.

• To fasten with a button.
• Fasten with buttons

• A round fastener sewn to shirts and coats etc to fit through buttonholes
• In modern clothing and fashion design, a button is a small fastener, most commonly made of plastic, but also frequently of seashell, which secures two pieces of fabric together.
• Knob or small disc serving as a fastener.
• Small fastener
• A fastener consisting of a knob or disc that is passed through a slit in the adjacent material.
• A knob or disc that is passed through a loop or (buttonhole), serving as a fastener.
• A two-dimensional geometric figure, a disk, consisting of the set of all those points of a plane at a distance less than or equal to a fixed distance from another point.
• Three-dimensional geometric figure.
• Ellipse in which the two axes are of equal length; a plane curve generated by one point moving at a constant distance from a fixed point
• A circle is a simple shape of Euclidean geometry that is the set of all points in a plane that are at a given distance from a given point, the center.
• Circles are simple shapes of Euclidean geometry consisting of those points in a plane which are equidistant from a given point, the center.
• Simple shape of Euclidean geometry