RhymeZone: bpb definitions

Definitions of BPB:

noun: Initialism of bromophenol blue. [(organic chemistry) An acid-base indicator, 2,6-dibromo-4-[3-(3,5-dibromo-4-hydroxyphenyl)-1,1-dioxo-3-benzo[c]oxathiolyl]phenol]
noun: (computing, countable) Initialism of BIOS parameter block.

(Definitions from Wiktionary)