88 IBS definitions

Integrated Broadcast Service 
Irritable Bowel Syndrome 
Integrated Booking System 
Integrated Broadcast System 
Integrated Bridge System 
Intelsat Business Service 
Institute of Banking Studies 
Integrated Biosphere Simulator 
Integrated Bridge Systems 
Intelligence Broadcast Service 
Intelligence Broadcast System 
Institute for Basic Standards 
Intelligent Base Station 
Intelligent Battery System 
Intelsat Business Services 
International Broadcasting Station 
Issue Books 
IBM Business School 
ichthyosis bullosa of Siemens 
identical by state 
identical-by-state 
identity-by-state 
imidazole buffered saline 
imidazoline binding sites 
immunoblastic sarcoma 
immunoglobulin binding substance 
Incident Business System 
inclusion bodies 
incomplete basis set 
Industrial Benefits Sharing