This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of or relating to a focus.

adj. Placed at or measured from a focus.

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

adj. limited to a small area

adj. Belonging to,or concerning, a focus; as, a focal point.

Of or pertaining to a focus: as, a focal point.

In optics, of a mirror or lens, the distance (also called the focal length) from its center to the principal focus (see focus); of a telescope, the distance between the focal plane and the object-glass.

adj. of or relating to a focus

adj. having or localized centrally at a focus

"“Dortmunder,” Tiny said, ponderously thoughtful, “is what you call your focal point.”"

central   

focal depth    focal distance    focal conic    focal plane    focal axis    focal property    focal line    focal lesion    focal curve    umbilicar focal conic   

focal plane    focal length    focal point   

local    vocal   

neurological    cardiovascular    sensory    approximate    vestibular    epithelial    frontal    retinal    bilateral    musculoskeletal