PAP noun 9verb 1forms 1 noun9 •A positive airway pressure machine, a PAP device. •Acronym of positive airway pressure. •Initialism of password authentication protocol. •Initialism of prostatic acid phosphatase. •polyfluoroalkyl phosphate ester •Initialism of participatory anthropic principle. •Initialism of principle of alternate possibilities. •Abbreviation of past active participle. •Abbreviation of present active participle. verb1 •(Internet) Post a picture. formsPAPs
