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a unit of length common in Europe and Latin America, but it is no longer an official unit in any nation.
What is a "league"?
a type of photoluminescence related to fluorescence. When exposed to light (radiation) of shorter wavelength, this type of substance will glow.
What is phosphorescence?
a sacrifice of slaughter of many victims, this word was the title of one of the final chapters of the book
What is a hecatomb?
another term for a sperm whale.
What is a cachalot?
(of a person) reserved or uncommunicative in speech, saying little. This word was frequently used to describe Captain Nemo.
What is "taciturn"?