1. a large wading bird with brown streaked plumage that lives in marshes and makes a deep booming call
2. a bitter liquid remaining after salt has been crystallized from seawater
Usage: chemistry

Examples

• The bittern’s distinctive booming call echoed across the wetland.
• We spotted a bittern standing motionless among the reeds.
• The shy bittern is rarely seen due to its excellent camouflage.
• Bitterns are known for their ability to blend into marsh vegetation.
• The chemical plant processes bittern to extract magnesium.
• Salt production leaves behind bittern as a byproduct.