hygienian
Hygienian is a term that can function as either an adjective or a noun, relating to hygiene and hygienic practices. As an adjective, it describes things concerned with cleanliness, sanitation, and the prevention of disease. As a noun, it may refer to a person who promotes or adheres to stringent hygiene practices, or, in speculative or historical contexts, to a member of a group or movement focused on hygiene as a core principle. The word is not common in standard contemporary English and is rarely found in major dictionaries, with hygiene and hygienist occupying the more routine vocabulary.
Etymology and distinctions: Hygienian derives from hygiene, with the agentive or adjectival suffix -an, and thus
Usage notes: Because hygienian is uncommon, writers typically choose more established terms such as hygienic, hygiene,
See also: hygiene, hygienist, hygienic, sanitary, public health.