2 words in this vocabulary list
noun a system of measurement that is based on the meter, kilogram, and second as units of length, weight, and time
noun a word that represents a person, place, thing, or idea. In this case, 'system' is a noun as it refers to a structured set of rules or processes.
adjective a word that describes or modifies a noun. In this case, 'absolute' is an adjective that describes the type of system being referred to as complete, perfect, or without limitations.