noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   A bicyclic saturated hydrocarbon, bicyclo[2.2.1]heptane, related to norbornene and norbornadiene countable, uncountable

Etymology

From nor- + bornane.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.