noun, Linguistics.
(in dialect geography) an area whose dialect has exerted influence on the dialects of surrounding areas, as reflected in a set of isoglosses more or less concentrically surrounding it.


Read Also:

  • Focal depth

    focal depth n. A measure of the power of a lens to produce clear images at different distances from it. Also called depth of focus.

  • Focal epilepsy

    focal epilepsy n. An epileptic attack in which disturbance of cerebral function causes the twitching of a limb, the occurrence of a somatosensory or special sense phenomenon, or a focal disturbance of complex mental functions. Also called cortical epilepsy.

  • Focal glomerulonephritis

    focal glomerulonephritis n. Glomerulonephritis affecting only a small proportion of renal glomeruli.

  • Focal-infection

    noun, Pathology, Dentistry. 1. an infection in which bacteria are localized in some region, as the tonsils or the tissue around a tooth, from which they may spread to some other organ or structure of the body. noun 1. a bacterial infection limited to a specific part of the body, such as the tonsils or […]

Disclaimer: Focal-area definition / meaning should not be considered complete, up to date, and is not intended to be used in place of a visit, consultation, or advice of a legal, medical, or any other professional. All content on this website is for informational purposes only.