Look up: B-act

1. b contact
   a control or auxiliary contact which is open when the main contacts of a mechanical switching device are closed and closed when they are open
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
2. b-contact
   the control or auxiliary contact which is open when the main contacts of the mechanical switching device are closed and closed when they are open Category: Electrical engineering and energy
   Found on http://www.mijnwoordenboek.nl/definition
   
   
3. b-contact
   a control or auxiliary contact which is open when the main contacts of the circuit-breaker or contactor are closed and closed when they are open
   Found on http://www.electropedia.org/iev/iev.nsf/
   
   
4. Büchner extract
   Type: Term Pronunciation: buk′nĕr Definitions: 1. a cell-free extract of yeast, such as was prepared by Eduard and Hans Büchner who observed it to catalyze alcoholic fermentation; this observation essentially eliminated 'vitalism' as being responsible for biologic chemical reactions and ...
   Found on http://www.medilexicon.com/medicaldictio