focus

/'foukəs/
Học thuật
Thân thiện
focus

The student adjusts the lens to bring the specimen into focus.

Definition

  1. Noun:

    • A central point of attention, interest, or activity: The main thing that people are concentrating on or discussing.
    • The state of maximum clarity or sharpness: The point at which an object, image, or idea is seen or understood most clearly.
    • (Physics/Mathematics) A point where rays of light, heat, or other radiation meet after being refracted or reflected, or a fixed point used in describing a curve.

  2. Verb:

    • To direct attention, effort, or resources towards a particular point or purpose: To concentrate on something specific.
    • To adjust an optical device (like a lens or eyes) to produce a clear image: To make something visually sharp and distinct.
Examples of Usage

  • Noun:

    • The focus of the meeting was the new budget. (The main topic of the meeting was the new budget.)
    • The image is in perfect focus. (The image is very clear and sharp.)
    • The earthquake's epicenter was the focus of the disaster relief efforts. (The central point of the earthquake was where relief efforts were concentrated.)

  • Verb:

    • You need to focus on your work. (You need to concentrate your attention on your work.)
    • She focused the camera on the flower. (She adjusted the camera lens to make the flower appear sharp.)
    • The discussion focused on three key issues. (The discussion concentrated on three key issues.)
Advanced Usage

  • "To bring something into focus": To make something clear and understandable; to highlight its importance.

    • The documentary brought the environmental crisis into sharp focus. (The documentary made the environmental crisis very clear and prominent.)

  • "The focus shifts": When the main point of attention changes to something else.

    • As the project developed, the focus shifted from design to marketing. (As the project developed, the main attention changed from design to marketing.)
Variants and Related Words
  • Focused (adj.): Giving a lot of attention to one particular thing.
    • She is very focused on her career.
  • Focus group (n.): A small group of people whose reactions to a product or idea are studied.
    • The company conducted a focus group to test the new advertisement.
  • Refocus (v.): To focus again or to change the focus.
    • After the interruption, he tried to refocus on the task.
Synonyms
  • Center (n.): The middle point or main area of activity.
  • Concentrate (v.): To direct your mental powers or efforts towards a particular activity, subject, or problem.
  • Sharpen (v.): (For images) To make an image clearer.
Related Phrasal Verbs
  • Focus on (something): To give most of your attention to one thing.
    • This chapter focuses on the causes of the war.
  • Focus in on (something): To narrow your attention to a very specific part of something.
    • The investigation is now focusing in on the financial records.
Related Idioms
  • In focus/Out of focus: Clear and sharp / Blurry and not clear. Can be used literally for images or figuratively for ideas.
    • The political debate brought the real issues into focus. (Made the issues clear.)
    • His memories of the event are out of focus. (His memories are vague and unclear.)
  • The focus of attention: The person or thing that is being watched or discussed by many people.
    • The new sculpture quickly became the focus of attention in the gallery.
focus

The student adjusts the lens to bring the specimen into focus.

Noun
  1. a fixed reference point on the concave side of a conic section
  2. a point of convergence of light (or other radiation) or a point from which it diverges
  3. special emphasis attached to something
    • the stress was more on accuracy than on speed
  4. a central point or locus of an infection in an organism
    • the focus of infection
  5. maximum clarity or distinctness of an idea
    • the controversy brought clearly into focus an important difference of opinion
  6. maximum clarity or distinctness of an image rendered by an optical system
    • in focus
    • out of focus
  7. the concentration of attention or energy on something
    • the focus of activity shifted to molecular biology
    • he had no direction in his life
Verb
  1. put (an image) into focus; we cannot enjoy the movie"
    • Please focus the image
  2. become focussed or come into focus
    • The light focused
  3. bring into focus or alignment; to converge or cause to converge; of ideas or emotions
  4. cause to converge on or toward a central point
    • Focus the light on this image
  5. direct one's attention on something
    • Please focus on your studies and not on your hobbies

Từ đồng nghĩa

Từ trái nghĩa

Từ gần giống

Từ chứa "focus"

Từ có nhắc đến "focus"