- calcining furnace
- calcium phosphate
- calcium sulfate
- calculates strength
- calculating instrument
- calculating speed
- calculating time
- calculation program
- calendar
- calendaring
- caliber gauge
- calibration flume
- calibre
- caliper square
- calker
- calligraphy
- calling back
- calling instruction
- calling level
- calm down
- caloric expenditure
- caloric power
- calorie
- calorific balance
- calorific engine
- calorific power
- calorifics
- calorimetric bomb
- calorimetry
- cam clamp
- cam wheel
- camber
- cambered arch
- cambered inwards
- cameo
- camera aperture
- camera channel
- camera zoom
- camera-ready
- camp-shaft
- campaign
- campanile
- camper
- can
- canal bottom
- canal dredge
- canal embankment
- canalization
- cancelled debt
- candle
- candle-power
- candoluminescence
- cane juice
- canned coal
- canned food
- canoe
- canon
- canopy
- cant over
- cantilever crane
- cantilever process
- cantilever slab
- cantilever vibration
- canting
- business district
- business graphics
- business income
- business machine
- business manager
- business software
- business street
- busy
- busy flag
- busy hour
- busy line
- busy relay
- busy testing
- busy tone
- butt fusion
- butt joint
- butt weld
- butt-welded
- butterfly
- butterfly circuit
- butterfly governor
- butterfly hinge
- butterfly screw
- butterfly value
- button
- button head
- button inclusions
- button weld
- buttress
- buttress thread
- buy
- buzz-saw
- buzzer call
- by
- by connection
- by party