1. hexavigesimal - Noun
2. hexavigesimal - Adjective
(arithmetic, computing, uncountable) A number system with base twenty-six, using the digits 0–9 and A–P (or A-Z without numerals).
(countable, computing) A number expressed in the hexavigesimal system.
hexavigesimal (not comparable)
Of a number, expressed in hexavigesimal.