(chemistry) any compound in which selenium serves as an anion with an oxidation number of -2 / (chemistry) any organic compound of general formula RSeR (R not = H) analogous to the ethers

plural of selenide

(chemistry) the hydride of selenium, H₂Se; it is a toxic, inflammable gas, having properties similar to those of hydrogen sulfide

(organic chemistry) The organoselenium compound (selenoether) (CH₃)₂Se