bridge

also contains definition of: bridgehead
https://doi.org/10.1351/goldbook.B00736
A valence bond or an atom or an unbranched chain of atoms connecting two different parts of a molecule. The two tertiary carbon atoms connected through the bridge are termed bridgeheads.
Source:
Blue Book, p. 31 [Terms] [Book]
Citation: 'bridge' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. https://doi.org/10.1351/goldbook.B00736 RIS BibTex EndNote
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