Focus vs. Epicenter

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Focusnoun

A point at which reflected or refracted rays of light converge.

Focusnoun

A point of a conic at which rays reflected from a curve or surface converge.

Focusnoun

The fact of the convergence of light on the photographic medium.

Focusnoun

The quality of the convergence of light on the photographic medium.

Focusnoun

(uncountable) Concentration of attention.

Focusnoun

The exact point of where an earthquake occurs, in three dimensions (underneath the epicentre).

Focusnoun

The indicator of the currently active element in a user interface.

Focusnoun

(linguistics) The most important word or phrase in a sentence or passage, or the one that imparts information.

Focusverb

(transitive) To cause (rays of light, etc) to converge at a single point.

Focusverb

(transitive) To adjust (a lens, an optical instrument) in order to position an image with respect to the focal plane.

Focusverb

To concentrate one's attention.

Focusverb

(intransitive) To concentrate one’s attention.

Focusverb

To transfer the input focus to (a visual element), so that it receives subsequent input.

Focusnoun

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.

Focusnoun

A point so related to a conic section and certain straight line called the directrix that the ratio of the distance between any point of the curve and the focus to the distance of the same point from the directrix is constant.

Focusnoun

A central point; a point of concentration.

Focusverb

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

Focusnoun

the concentration of attention or energy on something;

Focusnoun

maximum clarity or distinctness of an image rendered by an optical system;

Focusnoun

maximum clarity or distinctness of an idea;

Focusnoun

a central point or locus of an infection in an organism;

Focusnoun

special emphasis attached to something;

Focusnoun

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

Focusnoun

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

Focusverb

direct one's attention on something;

Focusverb

cause to converge on or toward a central point;

Focusverb

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

Focusverb

become focussed or come into focus;

Focusverb

put (an image) into focus;

Focusnoun

the centre of interest or activity

Focusnoun

an act of concentrating interest or activity on something

Focusnoun

the point of origin of an earthquake.

Focusnoun

the principal site of an infection or other disease.

Focusnoun

the state or quality of having or producing clear visual definition

Focusnoun

another term for focal point

Focusnoun

the point at which an object must be situated with respect to a lens or mirror for an image of it to be well defined.

Focusnoun

a device on a lens which can be adjusted to produce a clear image.

Focusnoun

one of the fixed points from which the distances to any point of a given curve, such as an ellipse or parabola, are connected by a linear relation.

Focusnoun

an element of a sentence that is given prominence by intonational or other means.

Focusverb

adapt to the prevailing level of light and become able to see clearly

Focusverb

cause (one's eyes) to focus

Focusverb

adjust the focus of (a telescope, camera, or other instrument)

Focusverb

(of rays or waves) meet at a single point.

Focusverb

(of a lens) make (rays or waves) meet at a single point.

Focusverb

(of light, radio waves, or other energy) become concentrated into a sharp beam.

Focusverb

(of a lens) concentrate (light, radio waves, or energy) into a sharp beam.

Focusverb

pay particular attention to

Focusverb

concentrate

Focusverb

place the focus on (an element of a sentence).

Epicenternoun

(US) lang=en

Epicenternoun

the point on the Earth's surface directly above the focus of an earthquake

Epicenter

The epicenter, epicentre () or epicentrum in seismology is the point on the Earth's surface directly above a hypocenter or focus, the point where an earthquake or an underground explosion originates.

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