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.
Sound
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No pronunciation record was provided for this word.
noun
A hardware system that prevents unauthorised intrusion into a premises, and reports such attempts.
Definition source: English Wiktionary via Wiktextract
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
A similar software system that prevents unauthorised access.
Definition source: English Wiktionary via Wiktextract
Topics: computing, engineering, mathematics, natural-sciences, physical-sciences, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
noun
an electrical device that sets off an alarm when someone tries to break in
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: security measure, security
Antonyms: none provided
Broader terms: electrical device
noun
(computing) a system that enforces boundaries between computer networks
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
Broader terms: system
Narrower terms: firewall
History
No etymology was provided for this word.
