Used Occasionally. protozoa is one of the 30000 most commonly used words in the Collins dictionary.
It is a species of hardy deciduous flowering shrub in the genus Dasiphora (formerly Potentilla) of the family Rosaceae, native to the cool temperate and subarctic regions of the northern hemisphere, often growing at high altitudes in mountains.
Sarsaparilla, a prickly stemmed vine native to Central America, has flavorful stems, roots and leaves, and is used for root beer and sarsaparilla soda. Traditionally, sarsaparilla soda used fermentation by yeast and sugar for creating bubbles, as did all sodas.