Adjective: soured saw(-u)rdVerb: sour saw(-u)r
- Go sour or spoil
"The milk has soured";
- turn, ferment, work
- Make sour or more sour
"For example, acidulate fresh cream by adding lemon juice to produce sour cream";
- acidify, acidulate, acetify
Type of: change state, change taste, turn
Antonym: unsoured
Encyclopedia: Soured
Sour, Robert