- single infinity
- single inheritance
- single journey
- single latticed
- single lens
- single liability
- single line
- single luubricator
- single mast
- single mode
- single monopoly
- single operation
- single option
- single parent
- single part
- single payment
- single penstock
- single phase
- single pile
- single plane
- single ply
- single pole
- single policy
- single potential
- single precision
- single premium
- single price
- single proprietor
- single pulley
- single pulse
- single pump
- single quote
- single rate
- single rectification
- single reference
- single reinforced
- single reinforcement
- single ring
- single room
- single rotor
- single sample
- single sampling
- single scattering
- single seam
- single section
- single selection
- single service
- single sheetpiling
- single shift
- single sideband
- single site
- single solvent
- single sound
- single source
- single spacing
- single span
- single spot
- single station
- single step
- single stope
- single stress
- single stroke
- single supplement
- single supply
- single switch
- single tariff
- single tasking
- single test
- single thread
- single threading
- single ticket
- single transit
- single transom
- single user
- single vein
- single voyage
- single window
- single word
- single-acting
- single-address
- single-axle
- single-band
- single-barrelled
- single-beam
- single-breasted
- single-cantilever
- single-cast
- single-celled
- single-circuit
- single-click
- single-coloured
- single-column
- single-core
- single-crystal
- single-cut
- single-cycle
- single-deck
- single-decker
- single-digit
- single-drum