Phrase 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.
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noun
a type of spacecraft propulsion, whereby electric fields accelerate ions out the exhaust to provide motive force
Definition source: English Wiktionary via Wiktextract
Topics: aerospace, astronautics, business, engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
a type of reaction-propulsion engine to propel rockets in space; a stream of positive ions is accelerated to a high velocity by an electric field
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: reaction-propulsion engine, reaction engine
History
No etymology was provided for this word.
