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se·rous 'sir-əs adj of, relating to, producing, or resembling serum esp having a thin watery constitution <a \serous exudate>
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adj.
1. relating to or containing serum.
2. resembling serum or producing a fluid resembling serum.
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se·rous (sērґəs) [L. serosus] 1. pertaining to or resembling serum. 2. producing or containing serum, as a serous gland or cyst.Medical dictionary. 2011.