Definition of aerotaxis in US English:
aerotaxis
noun
Biology
Directional movement (taxis) of a cell or organism in response to a gradient in oxygen concentration; an instance of this.
Origin
Late 19th century; earliest use found in Journal of the Royal Microscopical Society.
Pronunciation
aerotaxis
/ˌɛːrə(ʊ)ˈtaksɪs/