pustulation

noun
pus·​tu·​la·​tion | \ ˌpəs-chə-ˈlā-shən How to pronounce pustulation (audio) , ˌpəs-tyə-, -tə-\

Definition of pustulation

1 : the act of producing pustules : the state of having pustules
2 : pustule

First Known Use of pustulation

15th century, in the meaning defined at sense 1

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