focal point

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focal point

n.
See focus.

focal point

n
1. (General Physics) Also called: principal focus or focus the point on the axis of a lens or mirror to which parallel rays of light converge or from which they appear to diverge after refraction or reflection
2. a central point of attention or interest

fo′cal point`


n.
1. either of two points on the axis of a mirror, lens, or other optical system, on which rays converge or from which they deviate.
2. the center of activity or attention.
3. the central or principal point of focus.
[1705–15]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.focal point - a point of convergence of light (or other radiation) or a point from which it diverges
point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
2.focal point - a central point or locus of an infection in an organismfocal point - a central point or locus of an infection in an organism; "the focus of infection"
point - the precise location of something; a spatially limited location; "she walked to a point where she could survey the whole street"
focal infection - bacterial infection limited to a specific organ or region especially one causing symptoms elsewhere
3.focal point - the concentration of attention or energy on something; "the focus of activity shifted to molecular biology"; "he had no direction in his life"
engrossment, immersion, absorption, concentration - complete attention; intense mental effort
particularism - a focus on something particular
Translations

focal point

n (fig) → centro; (of lens, mirror) → punto focale
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