Compounds having the structure $\ce{RTeR}$ ($\ce{R} \neq \ce{H}$). Thus tellurium analogues of ethers.
Metal salts of tellurane, $\ce{H2Te}$.
Source: PAC, 1995, 67, 1307. (Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)) on page 1371 [Terms] [Paper]