Relating to or consisting of two names or two parts in a naming system.
From Latin bi- 'two' + nominalis 'of or relating to a name.' This rare variant of binomial emphasizes the naming aspect rather than the mathematical aspect.
While binomial is common in math, binominal appears in older scientific texts where scholars wanted to emphasize that they were literally using two names—highlighting the shift from single names to double names as a revolutionary idea.
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