Definition of desideratum noun from the Oxford Advanced Learner's Dictionary



BrE BrE//dɪˌzɪdəˈrɑːtəm//
; NAmE NAmE//dɪˌzɪdəˈrɑːtəm//
; BrE BrE//dɪˌzɪdəˈreɪtəm//
; NAmE NAmE//dɪˌzɪdəˈreɪtəm//
(pl. desiderata
BrE BrE//dɪˌzɪdəˈrɑːtə//
; NAmE NAmE//dɪˌzɪdəˈrɑːtə//
; BrE BrE//dɪˌzɪdəˈreɪtə//
; NAmE NAmE//dɪˌzɪdəˈreɪtə//
(from Latin, formal)
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a thing that is wanted or needed Word Originmid 17th cent.: from Latin, ‘something desired’, neuter past participle of desiderare, perhaps from de- ‘down’ + sidus, sider- ‘star’.
See the Oxford Advanced American Dictionary entry: desideratum