Exam: Cambridge English: C1 Advanced (CAE)

Definition: A type of salt or ester that comes from orthophosphoric acid, commonly found in fertilizers and other chemical compounds.

Example: Farmers often use orthophosphate in their fertilizers to promote plant growth.

Definition: The branch of psychiatry that focuses on the study, treatment, and prevention of emotional and behavioral issues, particularly in children and adolescents.

Example: Orthopsychiatry aims to address mental health issues early in a person's development.

Definition: Relating to a type of crystal structure that has three axes of different lengths that are all at right angles to each other.

Example: The mineral has an orthorhombic crystal structure, making it unique among its peers.

Definition: Relating to an optical instrument that produces a clear and accurate image without distortion.

Example: The orthoscopic lens provided a true representation of the scene without any visual distortion.

Definition: To move or swing back and forth in a regular rhythm or to vary between different states or opinions.

Example: The pendulum began to oscillate steadily after being released.

Definition: Moving back and forth in a regular pattern.

Example: The oscillating fan helped to cool the room evenly.

Definition: To move or swing back and forth in a regular rhythm.

Example: The pendulum is oscillating steadily from side to side.

Definition: A repeated movement back and forth or up and down, often in a regular pattern.

Example: The pendulum's oscillation creates a rhythmic swinging motion.

Definition: A device or circuit that produces a repeating signal or wave, often used in electronics to generate sound or radio frequencies.

Example: The engineer designed an oscillator to create a stable frequency for the radio transmitter.

Definition: Describing something that moves back and forth or varies repeatedly.

Example: The oscillatory motion of the pendulum can be observed clearly.

Definition: A visual representation of electrical signals, shown as a graph on a screen or paper, created by an instrument called an oscillograph.

Example: The engineer analyzed the oscillogram to understand the electrical signals in the circuit.