[foh-kuh-lahyz] /ˈfoʊ kəˌlaɪz/
verb (used with or without object), focalized, focalizing.
to bring or come to a focus.
a less common word for focus
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 […]
[foh-kuh l] /ˈfoʊ kəl/ adjective 1. of or relating to a . /ˈfəʊkəl/ adjective 1. of or relating to a focus 2. situated at, passing through, or measured from the focus adj. 1690s, from Modern Latin focalis; see focus + -al (1). focal fo·cal (fō’kəl) adj. Of or relating to a focus.
- Focal necrosis
focal necrosis n. The occurrence of numerous, small, fairly well circumscribed, foci of necrosis.
- Focal-plane shutter
[foh-kuh l pleyn] /ˈfoʊ kəl ˌpleɪn/ noun, Photography. 1. a camera shutter situated directly in front of the film.