Definition of Focal. Meaning of Focal. Synonyms of Focal

Here you will find one or more explanations in English for the word Focal. Also in the bottom left of the page several parts of wikipedia pages related to the word Focal and, of course, Focal synonyms and on the right images related to the word Focal.

Definition of Focal

Focal
Focal Fo"cal, a. [Cf. F. focal. See Focus.] Belonging to,or concerning, a focus; as, a focal point. Focal distance, or length, of a lens or mirror (Opt.), the distance of the focus from the surface of the lens or mirror, or more exactly, in the case of a lens, from its optical center. Focal distance of a telescope, the distance of the image of an object from the object glass.

Meaning of Focal from wikipedia

- Focal or FOCAL may refer to: Focal (lexicographical website), an Irish lexicographical website FOCAL (programming language) FOCAL-69 Focal (HP-41) FOCAL...
- The focal length of an optical system is a measure of how strongly the system converges or diverges light; it is the inverse of the system's optical power...
- Focal seizures (also called partial seizures and localized seizures) are seizures which affect initially only one hemisphere of the brain. The brain is...
- FOCAL (Forty-one calculator language) is the language used to program the HP-41 range of expandable science/engineering calculators from Hewlett-Packard...
- Focal point may refer to: Focal Point (album), a 1976 studio album by McCoy Tyner Focal point (game theory) Unicom Focal Point, a portfolio management...
- an optical system (such as a camera lens) is the ratio of the system's focal length to the diameter of the entrance pupil ("clear aperture"). It is a...
- The focal mechanism of an earthquake describes the deformation in the source region that generates the seismic waves. In the case of a fault-related event...
- Focal dystonia is a neurological condition, a type of dystonia, that affects a muscle or group of muscles in a specific part of the body, causing involuntary...
- sharp focus in an image. The depth of field can be calculated based on focal length, distance to subject, the acceptable circle of confusion size, and...
- In cell biology, focal adhesions (also cell–matrix adhesions or FAs) are large macromolecular ****emblies through which mechanical force and regulatory...
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