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n. pl. cen·tu·ries 1. a. A period of 100 years. b. Each of the successive periods of 100 years before or since the advent of the Christian era. 2. a. A unit of the Roman army originally consisting of 100 men. b. One of the 193 electoral divisions of the Roman people. 3. A group of 100 things. [Latin centuria, a group of a hundred, from centum, hundred; see dek in the Appendix of Indo-European roots.] cen·turi·al adj. centu·ry·long′ adj. |
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