Carrying or moving around; describes something that goes around the perimeter or circumference.
From Latin circumferens (present participle of circumferre), meaning bearing around. Used in technical and scientific writing to describe circular or surrounding actions.
This is practically a ghost word in modern English—you'll rarely encounter it, but it's the adjectival form that logically follows from 'circumfer,' showing how languages create systematic word families even if most variants disappear from use.
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