one-button
one-chip
one-column
one-degree-of-freedom
one-dimensional
one-direction
one-directional
one-frequency
one-half
one-head
  one-high
one-hit
one-hundred
one-lipped
one-machine
one-meter
one-object-at-a-time
one-object-of-a-time
one-of-a-kind
one-off
one-operation