Definition

Adverb 1. In a manner relating to or involving rotation: Pertaining to movement around a central axis or point. 2. By means of rotation or a rotational process: Describing an action performed through a turning or revolving motion.

Usage

The adverb "rotationally" modifies verbs, adjectives, or other adverbs to describe how an action is performed in relation to turning around an axis. * The Earth moves rotationally on its axis, causing day and night. * The parts of the engine must be balanced rotationally to prevent vibration. * The system is rotationally symmetric, meaning it looks the same from every angle of rotation.

Examples

• The fan blades were designed to spin with minimal friction.
• The sculpture was molded from a single piece of clay.
• To solve the puzzle, you must think about the possible orientations of the pieces.

Advanced Usage

• In physics and engineering: Used to describe motion, symmetry, or forces related to angular movement.
  • The flywheel stores energy rotationally.
• In mathematics: Describes properties or operations invariant under rotation.
  • The equation is rotationally invariant.

Variants and Related Words

• Rotate (verb): To turn or cause to turn around an axis.
• Rotation (noun): The action or process of rotating.
• Rotational (adjective): Of or relating to rotation.
• Rotatory (adjective): Operating by or causing rotation (less common).

Synonyms

• Circularly
• Revolvably
• Gyrationally (rare)

Antonyms

• Linearly
• Translationally (in physics, referring to motion in a straight line)

Related Phrases

• Rotationally symmetric: Having symmetry such that it appears identical after a certain amount of rotation.
• Rotationally invariant: A property that does not change when the system is rotated.

Adverb

1. in a rotational manner
   • the required influence lines are found by subjecting the model to small displacements horizontally, vertically and rotationally