Definition: Relating to a method of mining where materials are extracted from an open surface rather than underground.

Example: The opencast mining method is often used for extracting coal and minerals.

Definition: The ability of a system or device to be used or operated effectively.

Example: The operability of the new software was tested before its release.

Definition: Able to be used or operated; functional and in working condition.

Example: The technician confirmed that the machine is operable and ready for use.

Definition: A value or quantity that is used in a mathematical or logical operation.

Example: In the equation 3 + 5, both 3 and 5 are operands.

Definition: Relating to something that produces effects or responses, especially in psychology where it refers to behaviors that are influenced by their consequences.

Example: In operant conditioning, behaviors are modified by rewards or punishments.

Definition: A person or thing that performs a function or action, especially in a way that influences the environment or produces a result.

Example: In psychology, an operant is a behavior that is modified by its consequences, such as rewards or punishments.

Definition: In a way that involves behavior that is influenced by the consequences of actions.

Example: The animal learned to press the lever operantly to receive food.

Definition: A process or action that is carried out to achieve a specific result, often involving a series of steps or activities.

Example: The operation to build the new bridge will take several months to complete.

Definition: A philosophical approach that states that all scientific concepts should be defined by the operations or procedures used to measure or observe them.

Example: Operationalism helps scientists clarify their theories by focusing on measurable outcomes.

Definition: In a way that is effective or functional, often used in contexts related to operations or procedures.

Example: The team worked operatively to complete the project on time.

Definition: Relating to a structure that covers or closes an opening, often found in certain animals or plants.

Example: The opercular flap of the fish helps to protect its gills.

Definition: A bone or scale that covers the gills of fish, providing protection and support.

Example: The opercular bone helps to protect the fish's gills from injury.