1. Of a chemical compound having a ring with three members
   - 3-membered

See also: membered

• Seanad Eireann
• seance
• seaplane
• seaport
• seaquake
• sear
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• search and destroy mission
• search and rescue mission
• search engine
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• searcher
• searcher beetle
• searching
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• searchlight
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• searing iron
• searingly