1 n-uncount; also n-plural You can refer to information as data, especially when it is in the form of facts or statistics that you can analyse. In American English, data is usually a plural noun. In technical or formal British English, data is sometimes a plural noun, but at other times, it is an uncount noun.
The study was based on data from 2,100 women..., To cope with these data, hospitals bought large mainframe computers.
2 n-uncount Data is information that can be stored and used by a computer program. (COMPUTING) You can compress huge amounts of data on to a CD-ROM.
data bank ( data banks plural ) , databank A data bank is the same as a database. n-count
Data mining involves collecting information from data stored in a database, for example in order to find out about people's shopping habits. (COMPUTING) n-uncount
Data mining is used to analyse individuals' buying habits.
Data processing is the series of operations that are carried out on data, especially by computers, in order to present, interpret, or obtain information. n-uncount
Taylor's company makes data-processing systems.
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"Collins Cobuild English Dictionary for Advanced Learners 4th edition published in 2003 © HarperCollins Publishers 1987, 1995, 2001, 2003 and Collins A-Z Thesaurus 1st edition first published in 1995 © HarperCollins Publishers 1995"