Definition of "PN"
PN
noun
countable and uncountable, plural PNs
(medicine) Abbreviation of practical nurse.
(linguistics) Abbreviation of proper noun.
noun
plural PNe or PNs
(astronomy) Initialism of planetary nebula.
countable and uncountable, plural PNs
(medicine) Abbreviation of practical nurse.
(linguistics) Abbreviation of proper noun.
plural PNe or PNs
(astronomy) Initialism of planetary nebula.