See also: PbO

English edit

Noun edit

PBO (countable and uncountable, plural PBOs)

  1. (organic chemistry) Initialism of piperonylbutoxide.
  2. Initialism of polybenzobisoxazole.
  3. (Canada) Initialism of Parliamentary Budget Officer.
  4. Initialism of public benefit organization.
  5. Initialism of paperback original.
  6. Initialism of pension benefit obligation.

Anagrams edit