URGENT! Make a gift that will be doubled. We have $10,306 left to match by December 1st.
Click here to advertise on CatholicCulture.org

Dictionary

A modern dictionary of Catholic terms, both common and obscure. Find accurate definitions of words and phrases.

Search:

Or browse the dictionary by selecting a letter!
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

HYLOMORPHISM

The theory that all physical beings are composed of two principles of being: the prime matter, which is an undefined primitive, and a substantial form, which is a definite mode of existence. The two principles are related to each other as potency and act. This theory, which St. Thomas adopted from Aristotle, is based on two features that characterize all material things: the changeableness and the different individuals of a species. Both features can be explained only on the supposition that material things in their deepest nature are composed of two ultimate elements: prime matter, which remains constant in any change and gives individuality to each being; and substantial form, which accounts for the actual existence of different things, their distinctive properties, and the profound alteration that takes place when one substance changes into another. (Etym. Greek hyl_, matter + morphe, contour, form.)

All items in this dictionary are from Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.

Fall 2014 Campaign
Subscribe for free
Shop Amazon
Click here to advertise on CatholicCulture.org

Recent Catholic Commentary

Art and theology, beauty and truth, work together in the New Evangelization 12 hours ago
Anatomy of Conversion 13 hours ago
Anatomy of Conversion 17 hours ago
It is a failure of mercy to deny sin November 20
Yesterday's news, tomorrow November 20

Top Catholic News

Most Important Stories of the Last 30 Days