We borrowed the phrase en masse from the French: “The mob marched en masse to the Bastille.” It does indeed mean “in a mass,” and you can use that English expression if you prefer, but “in mass” is an error.
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We borrowed the phrase en masse from the French: “The mob marched en masse to the Bastille.” It does indeed mean “in a mass,” and you can use that English expression if you prefer, but “in mass” is an error.
BUY THE BOOK!