| 释义 |
crown ether
crown ether n (Chemistry) chem a type of cyclic ether consisting of a ring of carbon and oxygen atoms, with two or more carbon atoms between each oxygen atom crown ether
crown ether[′krau̇n ‚ē·thər] (organic chemistry) A macrocyclic polyether whose structure exhibits a conformation with a so-called hole capable of trapping cations by coordination with a lone pair of electrons on the oxygen atoms. |