tubérculo
tuber
noun too-BEHR-koo-loh Rare
Origin: From Latin tuberculum, diminutive of tuber (swelling).
Also means
tubercle
Usage Note
Tubérculo has two main uses: in botany, it is a starchy underground stem such as a potato (patata) or yam; in medicine, it is a small nodular lesion, especially the granuloma characteristic of tuberculosis (tuberculosis). The potato (patata or papa) is technically a tubérculo, a fact often cited in biology classes. Do not confuse with tubería ('pipe/tubing').
Examples
"La patata es el tubérculo más consumido del mundo."
Natural Translation
The potato is the most consumed tuber in the world.

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