Lexic.us
Definition of Focal ratio
1.
Noun.
The ratio of the focal length to the diameter of a (camera) lens system.
Exact synonyms:
F Number
,
Speed
,
Stop Number
Generic synonyms:
Ratio
Lexicographical Neighbors of Focal Ratio
focal glomerulonephritis
focal illumination
focal infection
focal infection
focal interval
focal length
focal length
focal lymphocytic thyroiditis
focal metastatic disease
focal motor seizure
focal necrosis
focal nephritis
focal nodular hyperplasia
focal point
focal point
focal ratio
(current term)
focal reaction
focal sclerosing glomerulopathy
focal sclerosis
focal sclerosis with hyalinosis
focal segmental glomerulosclerosis
focal seizure
focal seizure
focal spot
focal spot size
foci
foci
focimeter
focus
focus
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