catenane (plural catenanes)
(organic chemistry) Any compound, especially a hydrocarbon, having two or more rings interconnected like the links of a chain, without a covalent bond.
• The number of rings in the compound is shown by preceding the name with a number in square brackets e.g. [3]catenane.
Source: Wiktionary
12 March 2025
(noun) small Australian parakeet usually light green with black and yellow markings in the wild but bred in many colors
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