Word of the Day — October 17, 2026

potassium

/pot-A-ssium/nounComfortable challenge

Definition

A soft metal your body needs for healthy muscles, nerves, and heartbeat.

a light soft silver-white metallic element of the alkali metal group

Memory Hook

POTASSIUM = POtato ASsium — bananas and potatoes are famous potassium sources. Think of a soft, silvery potato.