foci
/ˈfəʊ.kaɪ/ · noun
Meaning
- A point at which reflected or refracted rays of light converge.
- A point of a conic at which rays reflected from a curve or surface converge.
- The fact of the convergence of light on the photographic medium.
- The quality of the convergence of light on the photographic medium.
- Concentration of attention.
- The exact point of where an earthquake occurs, in three dimensions (underneath the epicentre).
Etymology / origin
No prose etymology has been added yet.
No ancestor words have been linked yet.
Related words
Descendant words
No descendant words have been linked yet.