RUSTICLE

PRONUNCIATION: (RUHS-tuh/ti-kuhl)

MEANING: noun: An icicle-like formation of rust, as on an underwater shipwreck.

ETYMOLOGY: A blend of rust + icicle, coined by oceanographer Robert Ballard while describing such formations on the hull of the Titanic, the wreckage of which he discovered. Earliest documented use: 1986.
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RUSTICLEF - a musical symbol covered with Fe2O3

LUSTICLE - aphrodysiac

RESTICLE - what's left of my frozen sherbet on two sticks