You searched for: “estuation”
estuation, aestuation (s) (noun); estuations, aestuations (pl)
Commotion of a fluid; a boiling as of a fluid; a feverish agitation.
This entry is located in the following units: -ation, -ization (-iz[e] + -ation); -isation (British spelling variation) (page 36) estiv-, aestiv-; estuar-, aestuar- (page 1)