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English thesaurus
CIRCA ['sɜ:kə] abbr.
abbr.	Communication And Information Resource Centre Administrator; Communication Information Resource Centre Administrator
abbr., ed., scient.	Center For Instructional And Research Computing Activities
abbr., IT	Conceptual Information Retrieval And Communication Architecture
abbr., mil., avia.	computerized information retrieval and current awareness
circa ['sɜ:kə] prep.
gen.	c. (Vosoni); cca; ca; cir. (Seregaboss); about; around
relig.	c. ("approximately", used with dates)