Word Explorer
Foci
/ˈfəʊ.kaɪ/
A point at which reflected or refracted rays of light converge.
📖 Definitions of "Foci"
noun
- 1
A point at which reflected or refracted rays of light converge.
"The heat of sunlight at the focus of a magnifying glass can easily set dry leaves on fire."
- 2
A point of a conic at which rays reflected from a curve or surface converge.
- 3
The fact of the convergence of light on the photographic medium.
"Unfortunately, the license plate is out of focus in this image."
- 4
The quality of the convergence of light on the photographic medium.
"During this scene, the boy’s face shifts subtly from soft focus into sharp focus."
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