selenides

https://doi.org/10.1351/goldbook.S05571
  1. Compounds having the structure RSeR (R ≠ H). They are thus selenium analogues of ethers.
  2. Metal salts of selane, H2Se.
Source:
PAC, 1995, 67, 1307. 'Glossary of class names of organic compounds and reactivity intermediates based on structure (IUPAC Recommendations 1995)' on page 1364 (https://doi.org/10.1351/pac199567081307)