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fo|cal /foʊ k ə l/

1 ADJ [ADJ n] Focal is used to describe something that relates to the point where a number of rays or lines meet. □  …the focal plane of the telescope.

2 ADJ [ADJ n] Focal is used to describe something that is very important. □  …one of the focal centres of the Far East.

fo |cal point (focal points ) N‑COUNT The focal point of something is the thing that people concentrate on or pay most attention to. □  …the focal point for the town's many visitors–the Royal Shakespeare Theatre.

fo'c'sle /foʊ ksl/ → see forecastle

fo|cus ◆◆◇ /foʊ kəs/ (foci /foʊ sa I /, focuses , focusing , focused ) The spellings focusses , focussing , focussed are also used. The plural of the noun can be either foci or focuses . 1 VERB If you focus on a particular topic or if your attention is focused on it, you concentrate on it and think about it, discuss it, or deal with it, rather than dealing with other topics. □ [V + on ] He is currently focusing on assessment and development. □ [V n + on ] Many of the papers focus their attention on the controversy surrounding the Foreign Secretary.

2 N‑COUNT [usu sing] The focus of something is the main topic or main thing that it is concerned with. □ [+ of ] The new system is the focus of controversy. □ [+ of ] Her children are the main focus of her life.

3 N‑COUNT [usu sing] Your focus on something is the special attention that you pay it. □  IBM has also shifted its focus from mainframes to personal computers.

4 N‑UNCOUNT If you say that something has a focus , you mean that you can see a purpose in it. □  Somehow, though, their latest album has a focus that the others have lacked.

5 VERB If you focus your eyes or if your eyes focus , your eyes adjust so that you can clearly see the thing that you want to look at. If you focus a camera, telescope, or other instrument, you adjust it so that you can see clearly through it. □ [V n] Kelly couldn't focus his eyes well enough to tell if the figure was male or female. □ [V + on ] His eyes slowly began to focus on what looked like a small dark ball. □ [V n + on ] He found the binoculars and focused them on the boat. □ [V -ed] Had she kept the camera focused on the river bank she might have captured a vital scene. [Also V ]

6 N‑UNCOUNT You use focus to refer to the fact of adjusting your eyes or a camera, telescope, or other instrument, and to the degree to which you can see clearly. □  His focus switched to the little white ball.

7 VERB If you focus rays of light on a particular point, you pass them through a lens or reflect them from a mirror so that they meet at that point. □ [V n prep] Magnetic coils focus the electron beams into fine spots.

8 N‑COUNT The focus of a number of rays or lines is the point at which they meet. [TECHNICAL ]

9 PHRASE If an image or a camera, telescope, or other instrument is in focus , the edges of what you see are clear and sharp. □  Pictures should be in focus, with realistic colours and well composed groups.

10 PHRASE If something is in focus , it is being discussed or its purpose and nature are clear. □  This aggression is the real issue. We want to keep that in focus.

11 PHRASE If an image or a camera, telescope, or other instrument is out of focus , the edges of what you see are unclear. □  In some of the pictures the subjects are out of focus while the background is sharp. COLLOCATIONS focus VERB 1

focus + noun : attention, mind; effort, energy, resources; debate, discussion

noun + focus : attention, discussion, investigation, research, study

focus + adverb : entirely, exclusively, solely, totally; heavily, mainly, primarily NOUN 3

adjective + focus : clear, intense, narrow, relentless, sharp; main, primary, sole; increased, renewed

verb + focus : shift, switch; increase, narrow, sharpen; keep, maintain SYNONYMS focus VERB 1

concentrate: Water companies should concentrate on reducing waste.

direct: The learner's attention needs to be directed to the significant features.

home in: The critics immediately homed in on the group's newly-elected members.

fo|cused /foʊ kəst/ also focussed ADJ [usu v-link ADJ ] If you describe someone or something as focused , you approve of the fact that they have a clear and definite purpose. [APPROVAL ] □  I spent the next year just wandering. I wasn't focused.

fo |cus group (focus groups ) N‑COUNT A focus group is a specially selected group of people who are intended to represent the general public. Focus groups have discussions in which their opinions are recorded as a form of market research.

fod|der /fɒ də r /

1 N‑UNCOUNT Fodder is food that is given to cows, horses, and other animals. □  The alfalfa plant is widely used as animal fodder.

2 N‑UNCOUNT If you say that something is fodder for a particular purpose, you mean that it is useful for that purpose and perhaps nothing else. [DISAPPROVAL ] □  The press conference simply provided more fodder for another attack on his character.

foe /foʊ / (foes ) N‑COUNT Someone's foe is their enemy. [WRITTEN ]

foe|tal /fiː t ə l/ also fetal ADJ [ADJ n] Foetal is used to describe something that relates to or is like a foetus. □  …an early stage of foetal development.

foet|id /fiː t I d/ → see fetid

foe|tus /fiː təs/ (foetuses ) also fetus N‑COUNT A foetus is an animal or human being in its later stages of development before it is born.