to be a rough diamond
111a diamond in the rough — Meaning Someone of basically good character but lacking social graces. Origin Sometimes expressed just as rough diamond . Used in John Fletcher s A Wife for a Month : She is very honest, and will be as hard to cut as a rough diamond …
112Taylor-Burton Diamond — Infobox Diamond caption = colour scheme = gem name = Taylor Burton weight = 68 grams = color = cut = Pear mine = Premier Diamond Mine country = South Africa cutter = Harry Winston found = 1966 original owner = Harriet Annenberg Ames owner =… …
113Uncle Sam (diamond) — Uncle Sam is the nickname for the largest diamond discovered in the United States. In 1924, W. O. Bassum discovered this pale brown diamond at Crater of Diamonds state park in Murfreesboro, Arkansas. The rough diamond originally discovered… …
114blood diamond — /ˈblʌd daɪmənd/ (say blud duymuhnd) noun a rough diamond that is sourced by unscrupulous or illicit means in an area where there is military conflict, the sale of which is then used to perpetuate the conflict, as a diamond mined in an area of… …
115In the rough — Rough Rough, n. 1. Boisterous weather. [Obs.] Fletcher. [1913 Webster] 2. A rude fellow; a coarse bully; a rowdy. [1913 Webster] {In the rough}, in an unwrought or rude condition; unpolished; as, a diamond or a sketch in the rough. [1913 Webster] …
116diamond in the rough — Date: 1785 one having exceptional qualities or potential but lacking refinement or polish …
117diamond in the rough — idi a person or thing of inherent but uncultivated worth …
118diamond in the rough — idiom. person with unrealized potential or future possibilities …
119diamond in the rough — phrasal : a person of sterling character or other exceptional qualities but lacking in social graces or refinement of manner …
120Decision-theoretic rough sets — (DTRS) is a probabilistic extension of rough set classification. First created in 1990 by Dr. Yiyu Yao[1], the extension makes use of loss functions to derive and region parameters. Like rough sets, the lower and upper approximations of a set are …
