Simple past tense and past participle of preprocess.(verb)
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Use "preprocessed" in a sentence
"This system works quite well, but it's a bit clumsy, needing as it does harness templates to call the preprocessed ones and smearing application concepts Book and Author across two of its layers."
"Today's preprocessed Nashville pop music with fiddles and steel guitars and twangy vocals, UNCOOL!"
"We tend to find it easier to accept preprocessed opinion than to read source documents."