Simple past tense and past participle of substantialize.(verb)
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Use "substantialized" in a sentence
"But "postmodernism", just like "religion", "foundationalism" or "science" for that matter, is not a person, a substantialized subject, nor is it fixed in time."
"Democritus, however, “substantialized” the permanent aspect, for the atoms were things, which existed as such."
"As the rotation of the planet swings it round, it passes the central meridian of the disc simultaneously throughout its length, and at that moment comes out strikingly straight, a substantialized meridian itself."