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.
The term âCastilianâ actually refers to the province of Castile in central Spain. It is said that the Spanish language in its most original form comes from there. In Spain, Castilian Spanish is called castellano, and the term is often used synonymously with âSpanish languageâ.