Definition of "focal" in English

adjective

1. Belonging to, concerning, or located at a focus.

2. (medicine) Limited to a small area.

noun

1. (geometry, obsolete) One of two lines perpendicular to the axis of a cone such that the cosine of the angle between the line and the axis is equal to the ratio of the cosines o the semiangles of the cone.

2. (Wicca) An object that is used to focus concentration when performing magic.

3. The individual who is the focus of a study or review, when the study or review is based on that individual's interactions with others.

4. A representative of a group or class of people within an organizational system.

5. A sign or similar type of marketing material designed to draw attention to special deals.

6. The central or most important element of something; a focal element.

7. A major point of interest; an attraction.

8. An exemplar of a concept.