hypoxian
Hypoxian is not a standard term in medical or scientific nomenclature. It is typically a neologism built from the root hypox- (from hypoxia, meaning low oxygen) and the suffix -ian (forming adjectives and nouns). As such, hypoxian can be used in a broad, informal sense to describe something pertaining to hypoxia, or as a noun referring to a hypothetical entity associated with low-oxygen conditions.
In scientific contexts, the established terms hypoxia and related concepts are preferred, and hypoxian appears mainly
In fiction and popular culture, Hypoxians are sometimes presented as a race or species adapted to extreme
Etymology: the term derives from hypo- meaning under or less than and from oxys, a stem historically