blac - broa
- black
- black band
- black body
- black box
- Black characteristic
- black commutation
- black detector
- black fluorescent lamp
- black frequency
- black glass
- black heat
- black ice warner
- black level
- black radiator
- black screen
- black signal
- black silicon method
- black sphere
- black spotter
- black-and-white facsimile transmission
- black-and-white reception
- black-and-white television
- black-and-white transmission
- black-band test
- black-body locus
- black-body radiation
- black-body radiation intensity
- black-body radiation mode
- black-body radiation mode density
- black-body radiator
- black-body radiator locus
- black-body temperature
- black-box method
- black-level alignment
- black-level clamping
- black-level modulation
- black-level shift
- black-light lamp
- black-out
- black-to-white transition
