We don't have synonyms for aerations yet — it may be a rare, specialized, newly coined, or misspelled word. The closest thesaurus entries we have are rations, relations and operations.
(n) :
The process by which air is circulated through or mixed with a substance such as soil or a liquid.
(n) :
By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.
(n) :
The process by which air is circulated through or mixed with a substance such as soil or a liquid.
(n) :
By extension, a process in which other gases (such as carbon dioxide or nitrogen or argon) are circulated through or mixed with a substance (usually liquid), sometimes with the consequence of increasing the transfer of air into the same liquid at the surface due to the induced circulation.