vi·ges·i·mal 
(vĭ-jĕsə-məl)
(vĭ-jĕsə-məl)adj.
1. Twentieth.
2. Proceeding or occurring in intervals of 20.
3. Based on or relating to 20.
[From Latin vīgēsimus, variant of vīcēsimus, twentieth, from vīgintī, twenty; see wīktī- in the Appendix of Indo-European roots.]
- Inside Passage
- insider
- insider trading
- inside track
- insidious
- insidiously
- insidiousness
- insight
- insightful
- insightfully
- insightfulness
- insigne
- insignia
- insignificance
- insignificancy
- insignificant
- insignificantly
- in silico
- insincere
- insincerely
- insincerity
- insinuate
- insinuating
- insinuatingly
- insinuation