datum C2 Topic:Science & Research US /ˈdeɪtəm/ See IPA manual Freq #116109 Meanings 1 noun one item of factual information used for measurement or reasoning One faulty datum changed the result of the calculation. 2 noun a fixed reference point, line, or surface used for measurement The survey used sea level as its datum. Thesaurus Synonyms 1 noun · one item of factual... data pointfact 2 noun · a fixed reference point,... reference point Word family Derived forms datumsmetadatum Related forms datameasurementevidence Etymology Borrowed from Latin datum, meaning 'something given', from datus, past participle of dare, 'to give'. Topics Science & Research External links Cambridge Dictionary Wiktionary Google Images # datum **Type:** Word **Level:** C2 **Part of speech:** noun **IPA (US):** /ˈdeɪtəm/ **Frequency rank:** 116109 ## Meanings 1. one item of factual information used for measurement or reasoning 2. a fixed reference point, line, or surface used for measurement ## Examples - One faulty datum changed the result of the calculation. - The survey used sea level as its datum. ## Synonyms - data point - fact ## Derived Forms - datums - metadatum ## Related Forms - data - measurement - evidence ## Etymology Borrowed from Latin datum, meaning 'something given', from datus, past participle of dare, 'to give'. ## Topics - Science & Research markdown