noun / verb

focus

FOH-kus/ˈfəʊkəs/

The point where converging rays meet.

The lens brings the light rays to a single focus.

Parallel light rays pass through a convex lens and converge at one bright point on a card.
Etymology

Latin focus meant “hearth”; its use for a point of convergence perhaps evoked a lens’s burning point. From optical convergence came the figurative idea of directing attention or effort toward one center.

In context

Dr. Shadé Zahrai5:43
something called ‘pre-suasion’ to prompt the interviewer to focus their thinking on the features of your resume and application that’s most attractive to them. So, you’ve shifted their thinking to focus on your positive aspects
Interview Confidence | 3 Steps to Feel Confident & Impress the Hiring Manager

More examples

  • The curved mirror reflects incoming light toward its focus.
  • She places the screen at the lens's focus.
  • This lens focuses sunlight onto a tiny spot.

Forms

focus · focuses · foci · focused · focusing

focal adjective — Relating to the point where rays converge.

Similar words

focal point
Names the same optical point, explicitly emphasizing its location.