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/ɛːˈɹeɪʃ(ə)n/ · noun
The process by which air is circulated through or mixed with a substance such as soil or a liquid..
The Mekydro transmission employs a single converter and a four-speed mechanical gearbox, which has the advantage of cheapness and simplicity for the same number of gear changes, and does away with the necessity for constantly emptying and filling converters, which tends to harm the oil by aeration.
Use aeration when its meaning, tone and grammar fit the full sentence. A synonym is not always a direct replacement.
Aeration means The process by which air is circulated through or mixed with a substance such as soil or a liquid..
The closest synonym depends on the sentence and intended sense.
The opposite depends on the specific sense.
The Mekydro transmission employs a single converter and a four-speed mechanical gearbox, which has the advantage of cheapness and simplicity for the same number of gear changes, and does away with the necessity for constantly emptying and filling converters, which tends to harm the oil by aeration.
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