PBO
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See also: PbO
English[edit]
Noun[edit]
PBO (countable and uncountable, plural PBOs)
- (organic chemistry) Initialism of piperonylbutoxide.
- Initialism of polybenzobisoxazole.
- (Canada) Initialism of Parliamentary Budget Officer.
- Initialism of public benefit organization.
- Initialism of paperback original.
- Initialism of pension benefit obligation.