how to pronounce precession

pɹsɛʃən

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An example use of precession in a speech by a native speaker of american english:

“… the precession of the earth so kind of …”

meanings of precession

noun:

  1. The slow gyration of the earth's axis around the pole of the ecliptic, caused mainly by the gravitational torque of the sun and moon.
  2. Any of several slow changes in an astronomical body's rotational or orbital parameters.
  3. Precedence.
  4. The wobbling motion of the axis of a spinning body when there is an external force acting on the axis.