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Definition of Acanthopterygious
1. a. Having fins in which the rays are hard and spinelike; spiny-finned.
Definition of Acanthopterygious
1. Adjective. (zoology) Having fins in which the rays are hard and spinelike; spiny-finned. ¹
¹ Source: wiktionary.com
Medical Definition of Acanthopterygious
1.