/ pəˌtɪkjuˈlærəti; NAmE pərˈt-/ noun ( pl. -ies ) ( formal )
1.
[ U ] the quality of being individual or unique :
the particularity of each human being
2.
[ U ] attention to detail; being exact
3.
particularities [ pl. ] the special features or details of sth
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WORD ORIGIN
early 16th cent. (as particularities details ): from Old French particularite or late Latin particularitas , from Latin particularis concerning a small part.