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isocarboxazid
isocheim
isochromatic
isochronous
isochroous
isoclinal
isocline
isoclinic
isoclinic line
isocyanate
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isoelectric point
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ISO rating
ISO rat·ing (plural ISO rat·ings)


noun 
Definition:
 
measure of light sensitivity: a measure of the sensitivity to light of a material such as photographic film or paper
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