Exam: Cambridge English: B2 First (FCE)

Definition: Controlled or managed by a specific method or mechanism, such as a device that uses a battery or other power source.

Example: The battery-operated toy can move on its own without needing to be pushed.

Definition: To control or manage a machine, process, or system to perform a specific task.

Example: The technician operated the new equipment with great skill.

Definition: Relating to opera, often characterized by grand and dramatic style.

Example: The singer delivered an operatic performance that captivated the audience.

Definition: Relating to or involved in the process of functioning or working.

Example: The operating system on my computer needs to be updated.

Definition: To control or manage a machine, system, or process.

Example: The technician is operating the new software to improve efficiency.

Definition: Having an effect or influence; functioning or working effectively; important in a particular context.

Example: The operative factors in the decision-making process were carefully analyzed.

Definition: A person who works in a specific job or role, often in a secretive or skilled capacity, such as a spy or a skilled laborer.

Example: The operative gathered information discreetly to help the agency.

Definition: A person or thing that operates or controls something, often in a specific field like mathematics, genetics, or business.

Example: The operator skillfully managed the machinery to ensure everything ran smoothly.

Definition: Related to the eye or the ability to see, often involving the science of light and vision.

Example: The optic nerve transmits visual information from the eye to the brain.

Definition: A part of an optical instrument, such as a lens or mirror, that helps to focus or direct light.

Example: The scientist adjusted the optic to improve the clarity of the image.

Definition: Related to vision or the use of light, especially in instruments that help us see or understand visual information.

Example: The optical lens helped to magnify the tiny details of the specimen.

Definition: A professional who makes, sells, or fits glasses and contact lenses to help people see better.

Example: I need to visit the optician to get my glasses adjusted.

Definition: In the best or most effective way possible.

Example: To achieve the best results, you should work optimally on your projects.

Definition: To make something as effective or functional as possible by improving it or making adjustments.

Example: We need to optimise our website to attract more visitors.