wish - ZR
- yard
- yardstick
- yaw
- yaw adaptation
- yaw axis
- yaw motion
- yawn
- yellow brass
- yellow metal
- yet-to-be-assembled
- yet-to-be-assembled unit
- yield
- yield limit
- yield point
- yield rate
- yield strength
- yield stress
- yield torque
- yield value
- yieldable
- yielded-up power
- yielding connection
- YMS
- yoke
- yoke lever
- young iron
- Young's modulus
- yttrium aluminum garnet laser
- Z axis motion
- Z axis slide
- Z axis spindle/W axis table configuration
- Z axis-controlled head
- Z bed
- Z shift
- Z-axis bed
- Z-axis calibration
- Z-axis drive
- Z-axis return position
- Z-axis tolerance
- Z-axis tool
