Flowing or moving like a fluid; characterized by smooth, continuous motion or change (archaic or rare medical term).
From Latin 'fluitans' (flowing, from 'fluere' meaning to flow). This term appeared in medieval and Renaissance medical texts to describe fluid or watery humoral conditions.
Medieval doctors used 'fluitant' when they thought of illness as an imbalance of 'humors' or fluids—a patient with a 'fluitant' condition had excess watery substances. It's a ghost word from the days of medical theory before germ theory.
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