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| a white, crystalline, water-insoluble, powerful high explosive, C3H6N6O6, used chiefly in bombs and shells. |
| the estimation of something as valueless (encountered mainly as an example of one of the longest words in the English language). |
irrationalism
a 19th- and early 20th-century philosophical trend that claimed to enrich man's apprehension of life by expanding it beyond the rational to its fuller dimensions. Rooted either in metaphysics or in an awareness of the uniqueness of human experience, irrationalism stressed the dimensions of instinct, feeling, and will as over and against reason. The term is used chiefly by continental European philosophers, who regard irrationalism as one of several strong currents flowing into the 20th century.
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