PMB can stand for:
* Paleomammalian brain, part of
Paul D. MacLean's Triune Brainhypothesis.
Pembroke College, Oxford
Phenylmagnesium bromide, a Grignard reagent used in chemical reactions
PMB ether, a hydroxyl protecting group for multi-step organic synthesis, Paramethoxybenzyl
Pietermaritzburg, a South African city
* PMB, An open-source web-based Integrated Library System named
PhpMyBibliat its beginning
Polymyxin B, an antibiotic
Print Measurement Bureau, a Canadian non-profit media surveying and statistical company
Private mailbox, a mail delivery designation for addresses associated with a commercial mail receiving agency
Private Member's Bill, a type of Bill introduced into the United Kingdom's Parliament
Pat McGee Band
Prison Motorcycle Brotherhood, a white prison gang in Minnesota and other parts of the upper Midwest in the USA.
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