In microform records, an optical mark, usually rectangular, located below and/or above an image on a roll of microfilm and used to count images or frames automatically.
a mark that identifies the image’s location (address) and is used for counting by the reader-printer or microfilm scanner. When tied to an index, the computer can automate the retrieval process.
a short upward or downward deviation from a trend line on a graph, especially in a plot of some variable, such as an economic variable, against time; as, a brief blip upward in the unemployment rate.
a sudden minor shock or meaningless interruption; "the market had one bad blip today"; "you can't react to the day-to-day blips"; "renewed jitters in the wake of a blip in retail sales"