actinistia
|ac-ti-nis-tia|
C2
/ˌæk.tɪˈnɪs.ti.ə/
lobe-finned fish
Etymology
Etymology Information
'actinistia' originates from Greek, specifically the word 'aktinos,' meaning 'ray' or 'beam,' and 'istion,' meaning 'sail.'
Historical Evolution
'actinistia' was derived from the Greek word 'aktinos' and 'istion,' and eventually became the modern scientific term 'actinistia.'
Meaning Changes
Initially, it referred to the ray-like structure of the fish's fins, and this meaning has largely remained the same in modern usage.
Meanings by Part of Speech
Noun 1
a subclass of lobe-finned fish, known as coelacanths, that were thought to be extinct until rediscovered in the 20th century.
The discovery of actinistia in the 20th century was a significant event in marine biology.
Synonyms
Last updated: 2025/04/29 18:51