Word: billionth
Part of speech: Adjective
Syllables: bil
lionth
Definition: The ordinal form of the number one billion.
Morphemes:
Affix: bi-
Language: en
Meaning: two
Etymology Compounds: Affix: bis
Language: la
Decoded: bis
Meaning: twice
Affix: -illion
Language: en
PoS: Suffix
Meaning: Combined with Latin prefixes for names of integers in order to form names of powers of a million or of a thousand greater than 1,000,000. Thus we have the names billion, trillion, etc.
Affix: -th
Language: en
PoS: Suffix
Meaning: Used to form the ordinal numeral when the final term of the spelled number is not “first”, “second”, or “third”.