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7 Essential Words of Fall

moiré effect

noun, Optics.
1.
the appearance, when two regularly spaced sets of lines are superimposed, of a new set of lines (moiré pattern) passing through the points where the original lines cross at small angles.
Origin
1950-1955
1950-55
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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