histochemograph

noun

his·​to·​chem·​o·​graph

¦hi(ˌ)stōkeməˌgraf,

-rȧf

: a picture or pattern produced on a photographic plate by the chemical action of a histological specimen in contact with the emulsion

histochemography

-ˌkeˈmägrəfē

-kə̇ˈ-

noun

plural -es

Word History

Etymology

hist- + chem- + -graph

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