a. Chem. [f. SOD-IUM + -IC. Cf. F. sodique.] Of, containing, or composed of sodium.

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1859.  Mayne, Expos. Lex., 1170. The only combination known of sodium with sulphur, or—sodic sulphur.

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1869.  J. Phillips, Vesuv., iv. 121. Examining … these hollow canals,… we find sublimed salts, especially ammoniac and sodic chlorides with free sulphur.

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1878.  A. M. Hamilton, Nervous Dis., 329. As regards the variety of bromide, I think the sodic is the most reliable and stable.

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