As nouns the difference between selenium and helenium
is that selenium is a nonmetallic chemical element (symbol Se) with an atomic number of 34 while helenium is any of various flowering plants, of the genus genus: Helenium, the dried leaves of which were once used to make a form of snuff.
selenium
Noun
(-)
A nonmetallic chemical element (symbol Se) with an atomic number of 34.
Derived terms
* hydroselenic acid
* metallic selenium
* selane
* selen-
* selenate
* seleniate
* selenic acid
* selenide
* seleniferous
* selenio-, seleno-
* selenious acid
* selenite
* selenium cell
* selenium dioxide
* selenium eye
* selenium hydride
* selenium oxide
* selenium sulfide, selenium sulphide
* seleniuretted
* seleno-
* selenous
* selenyl
References
helenium
Noun
(
en noun)
Any of various flowering plants, of the genus , the dried leaves of which were once used to make a form of snuff
Synonyms
*sneezeweed