The characteristic condition of having complex, inserted vertebral segments; a feature of embolomerous organisms.
From 'embolomer' + '-ism' (condition or characteristic). The suffix '-ism' converts the noun into a systematic description of the anatomical feature.
An extinct group of creatures had spines so weirdly segmented that scientists invented an entire '-ism' word to describe their unique backbone structure—when you discover something that different, you need new vocabulary!
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