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porphyrize

American  
[pawr-fuh-rahyz] / ˈpɔr fəˌraɪz /
especially British, porphyrise

verb (used with object)

porphyrized, porphyrizing
  1. to subject to porphyrization.


Etymology

Origin of porphyrize

First recorded in 1740–50; porphyr(y) + -ize