noun- The cardinal number equal to 1063.
- Chiefly British The cardinal number equal to 10120.
Origin:
Origin: Latin vīgintī, twenty; see wīkm̥tī- in Indo-European roots
Origin: + (m)illion
.
Related Forms:
- viˌgin·tilˈlion adjective
- viˌgin·tilˈlionth adjective, adv. & n.