Lacking symmetry or balanced proportion; asymmetrical or unequal in form or arrangement.
From dissymmetric + -al (suffix making it an adjective form). An alternative, more emphatic form of dissymmetric emphasizing the lack of symmetry.
While 'dissymmetrical' and 'dissymmetric' mean the same thing, the -al version sounds more formal and is preferred in some scientific writing—a good reminder that English often offers multiple forms for precision in technical fields.
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