actinopterygii
|ac-ti-nop-ter-y-gi-i|
C2
/ˌæktɪnɒpˈtɛrɪdʒiː/
ray-finned fish
Etymology
Etymology Information
'actinopterygii' originates from Greek, specifically the words 'aktis' meaning 'ray' and 'pterygion' meaning 'fin'.
Historical Evolution
'actinopterygii' was directly borrowed from the Greek term 'aktinopterygion', which was used in scientific classification.
Meaning Changes
Initially, it meant 'ray-finned fish', and this meaning has remained consistent in modern usage.
Meanings by Part of Speech
Noun 1
a class of bony fishes characterized by having fins supported by rays or spines.
Actinopterygii include familiar fish like salmon and goldfish.
Synonyms
Antonyms
Last updated: 2025/04/30 16:06