potassium
nounmasculinetécnico/putɐˈsiu/medium
po·tas·si·o
Definition
A soft, silvery-white metallic chemical element (symbol K, atomic number 19), essential for living organisms.
Potassium is vital for proper nerve and muscle function.
Avocados are an excellent source of potassium.
Common collocations
potassium levelpotassium chloridepotassium deficiencypotassium supplement
Etymology
Do latim científico potassium, por sua vez do inglês potash (potassa), com o sufixo -ium.