: any of various dark-colored insoluble usually amorphous substances formed in many reactions
specifically
: a usually dark brown pigment formed in the acid hydrolysis of proteins and especially glycoproteins
Cite this Entry
“Humin.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/humin. Accessed 23 Jul. 2025.
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