Word Study
selenographical |
selenographist |
selenography |
selenolatry |
selenology |
selenonium
| seles
| seleucus
| seleucus i
| seleucus i nicator
| self
selenonium
CIDE DICTIONARY
selenonium, n. [Selenium + sulphonium.].
A hypothetical radical of selenium, analogous to sulphonium. [1913 Webster]
For further exploring for "selenonium" in Webster Dictionary Online