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Definition of Aerotropism
1. Noun. (biology) The growth of an organism either towards, or away from a region of higher oxygen content. ¹
2. Noun. (alternative spelling of aerotropism) ¹
¹ Source: wiktionary.com
Medical Definition of Aerotropism
1. An organisms growth or movement in the direction of oxygen. In botany: a plant root's growth away from the natural direction due to the action of oxygen or other gases. (09 Oct 1997)