A system or collection of things arranged in pairs or consisting of two parts; a rare variant referring to binomial concepts.
From Latin bi- 'two' + Greek -nomy (from nomos 'law' or 'arrangement'). This rare word combines the 'two' prefix with 'arrangement,' suggesting a systematic pairing.
While extremely rare, binomy shows how English speakers tried different combinations to describe two-part systems—it didn't catch on like binomial, but it reveals the linguistic creativity around emerging scientific concepts.
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