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focus - Meaning and Examples

Meaning of 'focus' (Webster Dictionary)

1 . Focus [ n.]
- A point in which the rays of light meet, after being reflected or refrcted, and at which the image is formed; as, the focus of a lens or mirror.
- A point so related to a conic section and certain straight line called the directrix that the ratio of the distace between any point of the curve and the focus to the distance of the same point from the directrix is constant.
- A central point; a point of concentration.
2 . Focus [ v. t.]
- To bring to a focus; to focalize; as, to focus a camera.

Meaning of 'focus' (Princeton's WordNet)

1 . focus [ n]
Meaning (1):
- the concentration of attention or energy on something
Example in sentence:
  • he had no direction in his life;
  • the focus of activity shifted to molecular biology
Meaning (2):
- maximum clarity or distinctness of an image rendered by an optical system
Example in sentence:
  • in focus;
  • out of focus
Meaning (3):
- maximum clarity or distinctness of an idea
Example in sentence:
  • the controversy brought clearly into focus an important difference of opinion
Meaning (4):
- a central point or locus of an infection in an organism
Example in sentence:
  • the focus of infection
Meaning (5):
- special emphasis attached to something
Example in sentence:
  • the stress was more on accuracy than on speed
6 . focus [ v]
Meaning (6):
- cause to converge on or toward a central point
Example in sentence:
  • Focus the light on this image
Meaning (7):
- direct one's attention on something
Example in sentence:
  • Please focus on your studies and not on your hobbies
Meaning (8):
- put (an image) into focus
Example in sentence:
  • Please focus the image; we cannot enjoy the movie
Meaning (9):
- become focussed or come into focus
Example in sentence:
  • The light focused

Nearby Words:

focal focalization focalize focalized focalizing foci focillate focillation focimeter focused

See 'focus' also in:

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Related Definitions

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