focal point

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]

Thesaurus

Noun	1.	focal point - a point of convergence of light (or other radiation) or a point from which it diverges focus 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 organism; "the focus of infection" nidus, focus 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" centering, focus, focusing, focussing, direction engrossment, immersion, absorption, concentration - complete attention; intense mental effort particularism - a focus on something particular

Translations

Brennpunkt

focal point

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