noun ·Rare ·Advanced level

Definitions

Noun

1. 1
   The binary compound of hydrogen and selenium H-Se-Se-H analogous to hydrogen peroxide countable, uncountable
2. 2
   Any organic derivative R-Se-Se-R' of this compound countable, uncountable

Etymology

From di- + selane.

Related phrases

binary compoundhydrogen peroxide

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.