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arcanum arcanorum

[ ahr-kah-noom -ahr-kah-noh-room; English ahr-key-nuhm -ahr-kuh-nawr-uhm, -nohr- ]
/ ɑrˈkɑ nʊm ˌɑr kɑˈnoʊ rʊm; English ɑrˈkeɪ nəm ˌɑr kəˈnɔr əm, -ˈnoʊr- /
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noun Latin.

secret of secrets.

QUIZZES

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On the farm, the feed for chicks is significantly different from the roosters’; ______ not even comparable.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2021
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