Definition of focus:
- A central point; a point of concentration.
- 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.
- To bring to a focus; to focalize; as, to focus a camera.
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- centralize (part of speech: verb)
- centrality (part of speech: noun)
- converge (part of speech: verb)
- convergence (part of speech: noun)
- focus (part of speech: verb)
- "Our Legal Heritage, 4th Ed.", S. A. Reilly.
But before I had the glass in focus more scales had fallen from my eyes; and now I knew why I had seen so much of Raffles these last few weeks, and why he had always come between seven and eight o'clock in the evening, and waited at this very window, with these very glasses at his eyes.- "A Thief in the Night", E. W. Hornung.
- "Franklin Kane", Anne Douglas Sedgwick.