optical scanning

optical scanning

noun
the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.


Origin:
1955–60
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
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Optical scanning is always a great word to know.
So is slumgullion. Does it mean:
an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle.
a stew of meat, vegetables, potatoes, etc.
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