👉 The term "tertiary" refers to a type of structure, particularly in the context of chemistry and biology. In this sense, it is often used to refer to an intermediate or intermediate product that occurs in a chemical reaction between two reactants. The word "tertiary" comes from the Latin word "terris," which means "end" or "last." For example, in the reaction between hydrogen and carbon atoms to form water, the tertiary carbon is the last intermediate formed,
