Exam: TOEFL

Definition: A substance or person that causes something to start or become active, often by increasing the activity of a process or system.

Example: The activator binds to the promoter region of the gene to enhance transcription.

Definition: Being engaged in action or movement; not resting or inactive. This can refer to people, animals, or things that are currently doing something or are in use.

Example: She leads an active lifestyle, going for runs every morning.

Definition: A person who is involved or participates in a group or organization, often taking part in its activities.

Example: The union actives gathered to discuss the upcoming vote.

Definition: In a way that involves taking action or being engaged in something.

Example: She is actively participating in the discussion.

Definition: The condition of being engaged in activities or being lively and energetic.

Example: Her activeness in the community has inspired many others to get involved.

Definition: Clothing designed specifically for physical exercise or sports activities, often made from materials that are comfortable and allow for movement.

Example: She wore her favorite activewear to the gym for her workout.

Definition: The act of taking strong action to support or oppose a cause, often through protests or other direct methods.

Example: Her activism for climate change has inspired many to join the movement.

Definition: Relating to someone who actively supports or fights for a cause, often in social or political contexts.

Example: The activist approach to environmental issues has gained significant attention.

Definition: A person who actively supports or fights for a cause, often related to social or political issues.

Example: The activist organized a rally to raise awareness about climate change.

Definition: A person who performs in plays, movies, or television shows, usually by portraying a character.

Example: The actor delivered an outstanding performance in the film.

Definition: A female performer who plays roles in movies, television shows, or theater.

Example: The actress received an award for her outstanding performance in the film.

Definition: Relating to something that is real and true, not just imagined or possible. It refers to what is happening right now or what really exists.

Example: The actual cost of the project was much higher than estimated.