Definition of Magnus effect in English:

Magnus effect

Syllabification: Mag·nus ef·fect
Pronunciation: /ˈmaɡnəs əˌfekt


The force exerted on a rapidly spinning cylinder or sphere moving through air or another fluid in a direction at an angle to the axis of spin. This force is responsible for the swerving of balls when hit or thrown with spin.
More example sentences
  • The lift force is the upwards or sidewards force that is responsible for the Magnus effect.
  • A lift-producing arrangement suitable for driving a boat by the Magnus effect comprises an elongate tubular envelope mounted for rotation about its longitudinal axis.


1920s: named after Heinrich G. Magnus (1802–70), German scientist.

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Word of the day retroflex
Pronunciation: ˈretrəˌfleks
turned backward