As adjectives the difference between converging and focal
is that converging is approaching each other at a point; convergent while focal is belonging to, concerning, or located at a focus.
As a verb converging
is .
converging
English
Adjective
(-)
approaching each other at a point; convergent.
Verb
(head)
Derived terms
*converging rays
*converging series
focal
English
Adjective
(-)
Belonging to, concerning, or located at a focus
(medicine) limited to a small area
Derived terms
* focal length
* focal plane
* focal point