Soda-making process

• Purpose of a faucet attachment
• The process of exposing to air (so as to purify)
• The act of charging a liquid with a gas making it effervescent
• Lawn improvement process
• Function of a faucet insert
• Treatment with carbon dioxide

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1570s, from French aération , from aérer (v.), from Latin aer (see air (n.1)). In some cases, from aerate .

WordNet Word definitions in WordNet
n. the process of exposing to air (so as to purify) the act of charging a liquid with a gas making it effervescent

Wikipedia Word definitions in Wikipedia
Aeration (also called aerification ) is the process by which air is circulated through, mixed with or dissolved in a liquid or substance.