Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun file_name_extension

1 sense of file name extension

Sense 1
extension, filename extension, file name extension -- (a string of characters beginning with a period and followed by one or more letters; the optional second part of a PC computer filename; "most applications provide extensions for the files they create"; "most BASIC files use the filename extension .BAS")
       => string -- (a linear sequence of symbols (characters or words or phrases))

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