nonillionth
rare
noun
The ordinal number corresponding to a nonillion.
Origin
Mid 19th century.
- trophectoderm
- trophectodermal
- trophic
- -trophic
- trophical
- trophically
- trophic chain
- trophic level
- trophic pyramid
- -trophism
- tropho-
- trophobiont
- trophoblast
- trophoblastic
- trophochromatin
- trophocyte
- trophogenic
- trophology
- tropholytic
- trophonema
- trophoneurosis
- trophoneurotic
- Trophonian
- trophonucleus
- trophophoric