Word: quintillion
Part of speech: Numeral
Syllables: quin
til
lion
Definition: A billion billion: 1 followed by eighteen zeros, 1018.
Morphemes:
Affix: quint-
Language: en
Meaning: five
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.