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A component of an aircraft wheel held in place by a metal alloy with a low melting point, such that, if the wheel is severely overheated (for instance, by heavy braking), pressure is released from the wheel and tire/tyre in a controlled manner rather than risking an explosion of the wheel assembly.
Definition source: English Wiktionary via Wiktextract
Topics: aeronautics, aerospace, aviation, business, engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
A collapsible dam or levee designed to give way in extreme flood conditions in order to divert water away from more important water-control structures.
Definition source: English Wiktionary via Wiktextract
Topics: civil-engineering, engineering, natural-sciences, physical-sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
No etymology was provided for this word.