Word: helonium
Part of speech: Noun
Syllables: he
lo
ni
um
Definition: Alternative form of helium hydride. The unstable binary cation HeH+ present in interstellar space. It is the strongest acid, reactive with every chemical species except positive ions, including electrons.
Morphemes:
Affix: helium
Language: en
PoS: Noun
Meaning: The second lightest chemical element (symbol He) with an atomic number of 2 and atomic weight of 4.002602, a colorless, odorless and inert noble gas.
Etymology Compounds: Affix: ἥλιος
Language: grc
Decoded: elios
Meaning: sun
Affix: -ium
Language: la
Decoded: -ium
Meaning: chemical element suffix
Affix: -onium
Language: en
PoS: Suffix
Meaning: Designating an onium particle.