This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

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adj. Relating to bodily fluids, especially serum.

adj. Relating to or arising from any of the bodily humors.

adj. Of or relating to the body fluids or humours.

adj. Pertaining to, or proceeding from, the humors.

In pathology, pertaining to or proceeding from the humors.

adj. of or relating to bodily fluids

"Much stress has been laid on the growth in humoral properties under these conditions."

humoral pathology   

humoral immunity   

numeral   

t-cell-mediated    cell-mediated    antibody-dependent    antigenspecific    antibody-mediated    in-built    mucosal    antigen-specific    allograft    immunological