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Catholic Culture News

Catholic Dictionary

Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

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What a thing is. The internal principle whereby a thing is what it is and not something else. Sometimes essence is said to be the same thing as being, but being merely, affirming that a thing is, without specifying its perfections. Essence is not quite the same as nature, which adds to essence the notion of activity, i.e., nature is the essence in action. Or again essence is substance, but not all essences are substantial because accidents also have an essence. (Etym. Latin essentia, essence, being.)


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