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focal point

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Definition of focal point in English:

noun

1The point at which rays or waves meet after reflection or refraction, or the point from which diverging rays or waves appear to proceed.
Example sentences
  • The lens that picks up the light from the focal point is called the eyepiece lens.
  • This spreads the light away from the center of the lens and moves the focal point forward.
  • An ellipse is a flattened circle whose properties are governed by two ‘foci’, or focal points, equidistant from its centre.
1.1The centre of interest or activity: the community shop is the focal point of the village
More example sentences
  • The festival is a focal point for moral reflection and being especially charitable to others.
  • It's the home of The Bandwagon, a night that has become a focal point for a new wave of Liverpool groups.
  • They were all or nothing, the focal point of the whole three years of study.

Definition of focal point in:

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