English to English
noun
- the concentration of attention or energy on something
The focus of activity shifted to molecular biology.
He had no direction in his life.
source: WordNet 3.0
- maximum clarity or distinctness of an image rendered by an optical system
In focus.
Out of focus.
source: WordNet 3.0
- maximum clarity or distinctness of an idea
The controversy brought clearly into focus an important difference of opinion.
source: WordNet 3.0
- a central point or locus of an infection in an organism
The focus of infection.
source: WordNet 3.0
- special emphasis attached to something
The stress was more on accuracy than on speed.
source: WordNet 3.0
- a point of convergence of light (or other radiation) or a point from which it diverges
source: WordNet 3.0
- a fixed reference point on the concave side of a conic section
source: WordNet 3.0
- A point in which the rays of light meet, after being reflected or refracted, and at which the image is formed; as, the focus of a lens or mirror.
source: Webster 1913
verb
- direct one's attention on something
Please focus on your studies and not on your hobbies.
source: WordNet 3.0
- cause to converge on or toward a central point
Focus the light on this image.
source: WordNet 3.0
- bring into focus or alignment; to converge or cause to converge; of ideas or emotions
source: WordNet 3.0
- become focussed or come into focus
The light focused.
source: WordNet 3.0
- put (an image) into focus
Please focus the image; we cannot enjoy the movie.
source: WordNet 3.0
- To bring to a focus; to focalize; as, to focus a camera.
source: Webster 1913