### rotational

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1852, from rotation + -al (1).
1. However, heating energizes the vibrational, rotational, and electronic motions all at once.

2. A synchronous motor drives the measuring bob at a constant rotational speed.

3. With some limitations, this is true also of rotational degrees of freedom.

4. Microwave spectroscopist have determined the rotational constants for many molecules.

5. Rotational energy states have the least energy.