Multiple microfilm storage cards used for archiving and preserving documents in compact form.
Plural of 'filmcard,' formed by adding '-s' to indicate multiple units of this microfilm storage technology.
Researchers in the pre-internet age would spend hours scrolling through filmcards—it was tedious, but it preserved millions of newspapers and records that would otherwise have decayed.
Complete word intelligence in one call. Free tier — 50 lookups/day.