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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
focal point noun 1 optics the point at which rays of light which are initially parallel to the axis of a lens or mirror converge, or appear to diverge, having been reflected or refracted. Also called focus. 2 a centre of attraction of some event or activity.
focal point noun 1 optics the point at which rays of light which are initially parallel to the axis of a lens or mirror converge, or appear to diverge, having been reflected or refracted. Also called focus. 2 a centre of attraction of some event or activity.
focal point noun 1 optics the point at which rays of light which are initially parallel to the axis of a lens or mirror converge, or appear to diverge, having been reflected or refracted. Also called focus. 2 a centre of attraction of some event or activity.
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The Chambers Dictionary (13th edition)
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The Chambers Thesaurus
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Chambers Biographical Dictionary
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Consult Chambers 21st Century Dictionary, The Chambers Thesaurus (1996) or Chambers Biographical Dictionary (1997 edition with amendments). Enter your search and choose your title from the drop-down menu.
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