Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
Sound
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noun
A rotating part of a mechanical device; for example, in an electric motor, generator, alternator, or pump.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A rotating part of a mechanical device; for example, in an electric motor, generator, alternator, or pump.
In a disc brake, the metal disc attached to the wheel hub.
Definition source: English Wiktionary via Wiktextract
Topics: automotive, cycling, hobbies, lifestyle, sports, transport, vehicles
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A rotating part of a mechanical device; for example, in an electric motor, generator, alternator, or pump.
The wing of a helicopter or other rotary wing aircraft (e.g., heli-type drone).
Definition source: English Wiktionary via Wiktextract
Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: rotary wing
Antonyms: none provided
noun
A type of powerful horizontal-axis atmospheric vortex generated by the interaction of strong winds with mountainous terrain.
Definition source: English Wiktionary via Wiktextract
Topics: climatology, meteorology, natural-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A quantity having magnitude, direction, and position.
Definition source: English Wiktionary via Wiktextract
Topics: algebra, mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
The set of cells within an oscillator that switch between being alive and dead over the course of the oscillator's period.
Definition source: English Wiktionary via Wiktextract
Topics: cellular-automata, computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
An amusement park and carnival ride consisting of a rotating cylindrical chamber in which centrifugal force adheres riders to the wall as the floor drops away, creating a sensation of defying gravity.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
rotating mechanism consisting of an assembly of rotating airfoils
Definition source: Princeton WordNet 3.0
Synonyms: none provided
Antonyms: none provided
Broader terms: rotating mechanism
Narrower terms: main rotor, tail rotor, anti-torque rotor
noun
the rotating armature of a motor or generator
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: rotor coil
Antonyms: stator
Broader terms: armature
noun
the revolving bar of a distributor
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: bar
History
From an irregular clipping of rotator, originally in mathematics, coined by English mathematician and philosopher William Kingdon Clifford based on vector, see quotations. Doublet of rota and ruote.
Across languages
41 source translations are retained for this English entry.
