Focus ¹

Definition: 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.

Focus ²

Definition: 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.

Focus ³

Definition: A central point; a point of concentration.

Focus ⁴

Definition: To bring to a focus; to focalize; as, to focus a camera.

focus ⁵

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

focus ⁶

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

focus ⁷

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

focus ⁸

Definition: a fixed reference point on the concave side of a conic section

focus ⁹

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

focus ¹⁰

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

focus ¹¹

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

focus ¹²

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

focus ¹³

Definition: become focussed or come into focus; "The light focused"

focus ¹⁴

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

focus ¹⁵

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

focus ¹⁶

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