ethers

https://doi.org/10.1351/goldbook.E02221
Compounds ROR ($\ce{R} \neq \ce{H}$). (Compounds $\ce{R3SiOR}$, silicon analogues of ethers, are trialkylsilyloxy compounds). E.g. $\ce{CH3CH2OCH2CH3}$ .
Source:
PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1334 [Terms] [Paper]