cyanize
/ˈsaɪənaɪz/Definitions
1. verb
to make or become blue or blue-green in color, especially due to the presence of cyanobacteria in water
“The river began to cyanize after the algae bloom.”
2. verb
to make something cyan or cyan-blue in color
“The artist cyanized the painting to add a pop of color.”
3. verb
to turn or become blue or blue-green in color, especially as a result of chemical or biological processes
“The copper oxide began to cyanize when exposed to air and water.”