1. (

• focus ,
• focusing ,
• focussing ,
• focal_point ,
• direction ,
• centering

) the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life" ;

2. (

• focus ,

) maximum clarity or distinctness of an image rendered by an optical system; "in focus"; "out of focus" ;

3. (

• focus ,

) maximum clarity or distinctness of an idea; "the controversy brought clearly into focus an important difference of opinion" ;

4. (

• focus ,
• focal_point ,
• nidus

) a central point or locus of an infection in an organism; "the focus of infection" ;

5. (

• stress ,
• focus ,

) special emphasis attached to something; "the stress was more on accuracy than on speed" ;

6. (

• focus ,
• focal_point

) a point of convergence of light (or other radiation) or a point from which it diverges ;

7. (

• focus

) a fixed reference point on the concave side of a conic section ;

1. (

• concentrate ,
• focus ,
• center ,
• centre ,
• pore ,
• rivet

) direct one's attention on something; "Please focus on your studies and not on your hobbies" ;

2. (

• focus

) cause to converge on or toward a central point; "Focus the light on this image" ;

3. (

• concenter ,
• concentre ,
• focalize ,
• focalise ,
• focus ,

) bring into focus or alignment; to converge or cause to converge; of ideas or emotions ;

4. (

• focus ,
• focalize ,
• focalise

) become focussed or come into focus; "The light focused" ;

5. (

• focus ,
• focalize ,
• focalise ,
• sharpen ,

) put (an image) into focus; "Please focus the image; we cannot enjoy the movie" ;