Definition of focus verb from the Oxford Advanced Learner's Dictionary

        

    focus

     verb
    verb
    BrE BrE//ˈfəʊkəs//
     
    ; NAmE NAmE//ˈfoʊkəs//
     
    Verb Forms present simple I / you / we / they focus
    BrE BrE//ˈfəʊkəs//
     
    ; NAmE NAmE//ˈfoʊkəs//
     
    he / she / it focuses
    BrE BrE//ˈfəʊkəsɪz//
     
    ; NAmE NAmE//ˈfoʊkəsɪz//
     
    he / she / it focusses
    BrE BrE//ˈfəʊkəsɪz//
     
    ; NAmE NAmE//ˈfoʊkəsɪz//
     
    past simple focused
    BrE BrE//ˈfəʊkəst//
     
    ; NAmE NAmE//ˈfoʊkəst//
     
    past participle focused
    BrE BrE//ˈfəʊkəst//
     
    ; NAmE NAmE//ˈfoʊkəst//
     
    past simple focussed
    BrE BrE//ˈfəʊkəst//
     
    ; NAmE NAmE//ˈfoʊkəst//
     
    past participle focussed
    BrE BrE//ˈfəʊkəst//
     
    ; NAmE NAmE//ˈfoʊkəst//
     
    -ing form focusing
    BrE BrE//ˈfəʊkəsɪŋ//
     
    ; NAmE NAmE//ˈfoʊkəsɪŋ//
     
    -ing form focussing
    BrE BrE//ˈfəʊkəsɪŋ//
     
    ; NAmE NAmE//ˈfoʊkəsɪŋ//
     
     
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  1. 1  [intransitive, transitive] to give attention, effort, etc. to one particular subject, situation or person rather than another focus (on/upon somebody/something) The discussion focused on three main problems. Each exercise focuses on a different grammar point. focus something (on/upon somebody/something) The visit helped to focus world attention on the plight of the refugees.
  2. 2  [intransitive, transitive] (of your eyes, a camera, etc.) to adapt or be adjusted so that things can be seen clearly; to adjust something so that you can see things clearly It took a few moments for her eyes to focus in the dark. focus on somebody/something Let your eyes focus on objects that are further away from you. In this scene, the camera focuses on the actor's face. focus something (on somebody/something) He focused his blue eyes on her. I quickly focused the camera on the children.
  3. 3[transitive] focus something (on something) (specialist) to aim light onto a particular point using a lens
  4. Word Origin mid 17th cent. (as a term in geometry and physics): from Latin, literally ‘domestic hearth’.Extra examples Degree courses have traditionally focused on the established great writers of the past. He inevitably focused on his own concerns, with only a passing query about Jeff. She blinked and tried to focus. The attention of the news media was firmly focused on the elections. The department undertakes highly focused research. The eye will automatically focus on the small group in the foreground. The study focuses exclusively on schools. The study was criticized for being too narrowly focused. Think of some questions that will help focus the discussion. We need to focus upon the main issues. At the moment, aid agencies are focusing their efforts on women and children. I was finding it hard to focus my mind properly. In this scene, the camera focuses on the actor’s face. Much recent concern has been focused upon sea level rises. Our activity is mainly focused on responding to emergencies. Schools should not focus exclusively on exam results. She used her glasses to focus the sun’s rays on the twigs and spark a fire. The discussion focused on three main issues. This provides an opportunity to focus research on the health needs of the population. Where do you really wish to focus your time and energy? You need to focus closely on the matter at hand.
See the Oxford Advanced American Dictionary entry: focus