英和和英

a revolving chair

clockwise rotation

the action of spinning something

rotating

have a turn

doing twirls

to turn

cause to turn

Made it spin

rotate

in a rotational manner

turn sharply

a cylinder that revolves

rotational inertia

of a direction of a wave, the condition of being changeable

to flutter and turn

rotary motion

turn on a pivot

a positively directed vector

the angle of rotation

a live [dead] spindle

a rotary converter

rolling drums

reversing-gear

the central axis of something

rotary dial

a gyroscope

vowel formant

a bar that serves as a pivot on which something turns about

an undulating curve