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n. 1. Something added to complete a thing, make up for a deficiency, or extend or strengthen the whole. 2. A section added to a book or document to give further information or to correct errors. 3. A separate section devoted to a special subject inserted into a periodical, such as a newspaper. 4. See dietary supplement. 5. See supplementary angle. tr.v. (-mĕnt′) sup·ple·ment·ed, sup·ple·ment·ing, sup·ple·ments To provide or form a supplement to. sup′ple·men·tari·ty (-târĭ-tē) n. sup′ple·menta·ry (-mĕntə-rē, -trē), sup′ple·mental (-mĕntl) adj. sup′ple·men·tation (-mĕn-tāshən) n. |
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