selena-
combining form
or selen-
Etymology: International Scientific Vocabulary, from New Latin selenium
: containing selenium in place of carbon or regarded as in place of carbon usually in place of the methylene group −CH2−
< selenacyclopentadiene >
< selenazole >
— compare oxa-, thia-
or selen-
< selenacyclopentadiene >
< selenazole >
— compare oxa-, thia-