the.com/protuberance

A bump that decided to commit to the bit.

means A part that swells, bulges, or sticks out from a surrounding surface.

from From Latin protuberare, 'to bulge out' — a fusion of pro- ('forward') and tuber ('swelling, lump'), the same tuber that gave us the potato-ish 'tuber' of botany. So a protuberance is etymologically just a lump pushing its way forward into the world.

etymology
Latin protuberare, to swell forth
usage
Doctors love it more than patients do
synonym energy
fancier way to say lump
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