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focal in Wiktionary, the free dictionary.
Focal or
FOCAL may
refer to:
Focal (lexicographical website), an
Irish lexicographical website FOCAL (programming...
-
display of
uppercase letters, digits, and a few
punctuation characters (the
FOCAL character set), some
designs needed to be
twisted arbitrarily (e.g. to distinguish...
- 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...
- 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...
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focal point in Wiktionary, the free dictionary.
Focal point may
refer to:
Focus (optics)
Focus (geometry)
Conjugate points, also
called focal points...
-
Focal seizures (also
called partial seizures and
localized seizures) are
seizures that
affect initially only one
hemisphere of the brain. The
brain is...
-
Focal dystonia, also
called focal task-specific dystonia, is a
neurological condition that
affects a
muscle or
group of
muscles in a
specific part of...
- A
varifocal lens is a
camera lens with
variable focal length in
which focus changes as
focal length (and magnification) changes, as
compared to a parfocal...
-
Focal Press is a
publisher of
creative and
applied media books and it is an
imprint of Routledge/Taylor & Francis. The firm was
founded in
London in 1938...
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Focal neurologic signs, also
known as
focal neurological deficits or
focal CNS signs, are
impairments of nerve,
spinal cord, or
brain function that affects...
