prefilter

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English[edit]

Etymology[edit]

pre- +‎ filter

Verb[edit]

prefilter (third-person singular simple present prefilters, present participle prefiltering, simple past and past participle prefiltered)

  1. (transitive) To filter in advance.
    The prefiltered data was fed to a computer program for analysis.

Noun[edit]

prefilter (plural prefilters)

  1. A filter used in advance.