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Rotational vs Rotary - What's the difference?

rotational | rotary |

As adjectives the difference between rotational and rotary

is that rotational is of, pertaining to or caused by rotation while rotary is having or being capable of having rotation.

As a noun rotary is

a traffic circle.

rotational

English

Adjective

(-)
  • Of, pertaining to or caused by rotation.
  • :A steam turbine converts heat into rotational motion

    • rotary

    English

    Adjective

    (-)
  • Having or being capable of having rotation.
  • :A rotary engine revolves the heads rather than having pistons go back and forth.

    • Noun

    (rotaries)
  • (New England) A traffic circle.
  • Usually with a capital initial, short for , an international club for community service.