English
German
Portuguese
- back s.o. or s.th. up
- back scattering
- back scattering technique
- back seat
- back step
back stroke
- back support
- back talk
- back the wrong horse
- back to front
- back to the drawing board
- back up
- back wall
- back wall panelling
- back window
- back yard
- back-check
- back-diffusion
- back-end processor
- back-fire
- back-formation
- back-lighting
- back-off
- back-seat driver
- back-to-back
- back-to-back credit
- back-to-back installation
- back-up
- back-up file
- back-up light
- back-up line

