Definition: Having a surface that curves inward on both sides.

Example: The biconcave lens is used in various optical devices to focus light.

Definition: The state of having two curved surfaces that are both concave, resembling the shape of a biconcave lens or certain types of cells.

Example: The biconcavity of the lens allows it to focus light more effectively.

Definition: Having a curved shape that bulges outward on both sides.

Example: The lens in my glasses is biconvex, helping to correct my vision.

Definition: Relating to a structure that has two cycles or rings, often used in chemistry and botany to describe certain types of molecules or flower arrangements.

Example: The bicyclic compound was essential for the chemical reaction we were studying.

Definition: Describing a sound or speech sound that is produced using both the upper and lower teeth.

Example: The letter 'f' is bidental because it is made with both the upper and lower teeth touching the lip.

Definition: A type of stone tool that has been worked on both sides to create a sharp edge, commonly used in prehistoric times.

Example: The archaeologist discovered a biface while excavating the ancient site.

Definition: Describing something that has two faces or surfaces, often used to refer to tools or objects that are worked on both sides for better functionality.

Example: The archaeologist discovered a bifacial tool that was sharp on both edges, indicating advanced craftsmanship.

Definition: Divided into two parts or lobes, often in a forked or cleft shape.

Example: The flower has a bifid petal that makes it look unique.

Definition: The condition of being split or divided into two parts.

Example: The bifidity of the leaf made it look unique among the other plants.

Definition: Describing something that uses or is fitted with two threads or wires.

Example: The bifilar winding in the motor improves its efficiency.