focus
Definition
- n. the concentration of attention or energy on something
- n. maximum clarity or distinctness of an image rendered by an optical system
- n. maximum clarity or distinctness of an idea
- n. a central point or locus of an infection in an organism
Word forms
- Past participle
- focused
- Present participle
- focusing
- Third person singular
- focuses
- Past tense
- focused
- Plural
- foci
Example sentences
n.
The focus of the meeting was to discuss the new project.
vi.
Please focus on the speaker during the presentation.
vt.
I need to focus the camera before taking the picture.
計
In optics, the focus is the point where light rays meet.