What does "focal" mean?

1. (central or most important) the most important or central part of something that everyone notices. 2. (limited to one area) used in medicine or science to describe something that stays in one small area. 3. (a representative person) a person who acts as the main contact or representative for a group.

focal

adj. · n.

US //ˈfoʊkəɫ// UK //fˈəʊkəl// fo·cal

1 central or most important (adj.)
B2 Upper Intermediate

the most important or central part of something that everyone notices.

relating to the main centre of interest, activity, or attention.

Example

The tall fountain was the focal point of the beautiful garden.

Example

The CEO's keynote address served as the focal event of the conference, setting the tone for all subsequent panel discussions.
- peripheral
- secondary
2 limited to one area (adj.)
C1 Advanced Technical Medicine

used in medicine or science to describe something that stays in one small area.

limited to a specific, localized area of the body or a physical system.

Example

The doctor found a focal infection that had not spread to other organs.

Example

The MRI revealed a focal lesion in the left temporal lobe, which explained the patient's sudden onset of specific neurological symptoms.
- localized
- specific
- diffuse
- generalized
3 a representative person (n.)
C1 Advanced Formal Academic

a person who acts as the main contact or representative for a group.

an individual designated as the primary representative or point of contact for a specific group within an organization.

Example

She was appointed as the focal for the environmental committee.

Example

Each department must nominate a focal to coordinate with the central administration during the restructuring process.

Origin

Learned borrowing from New Latin focālis. By surface analysis, focus + -al.

Etymology adapted from Wiktionary, available under CC BY-SA 4.0.

Related words

Last updated June 20, 2026