Definitions

1. verb

to bring into focus or to concentrate attention or interest on something

“The teacher encouraged the students to focalise on the task at hand.”

2. verb

to concentrate or focus the light of a camera or optical instrument

“The photographer had to focalise the lens to capture the perfect shot.”

3. noun

a point at which the light rays of a lens or optical instrument converge

“The focal point of the lens was difficult to find.”