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.
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- 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 […]
- Focalize
[foh-kuh-lahyz] /ˈfoʊ kəˌlaɪz/ verb (used with or without object), focalized, focalizing. 1. to bring or come to a focus. 2. to localize. /ˈfəʊkəˌlaɪz/ verb 1. a less common word for focus
- Focal-length
noun, Optics. 1. the distance from a focal point of a lens or mirror to the corresponding principal plane. Symbol: f. 2. the distance between an object lens and its corresponding focal plane in a telescope. noun 1. the distance from the focal point of a lens or mirror to the reflecting surface of the […]