Word: aniliniums
Part of speech: Noun
Syllables: a
ni
li
ni
ums
Definition: Plural of anilinium. The cation formed by protonating the amino group of aniline
Morphemes:
Affix: aniline
Language: en
PoS: Noun
Meaning: The simplest aromatic amine, C6H5NH2, synthesized by the reduction of nitrobenzene; it is a colourless oily basic poisonous liquid used in the manufacture of dyes and pharmaceuticals.
Etymology Compounds: Affix: anil
Language: pt
Decoded: anil
Meaning: indigo
Affix: -in
Language: de
Decoded: -in
Meaning: -ine 
Affix: -ium
Language: en
PoS: Suffix
Meaning: Used to form the names of metal elements, after the style of early-named elements, as well as the isotopes of hydrogen.
Etymology Compounds: Affix: -um
Language: la
Decoded: -um
Meaning: neuter singular morphological suffix
Affix: -s
Language: en
PoS: Suffix
Meaning: Used to form many pluralia tantum (nouns that are almost or entirely without singular forms).