What does "senary" mean?

The numeral system which uses six as the base.

What is a synonym for "senary"?

Common synonyms include: sixth.

/ˈsiːnəɹi/ adj, noun

adj, noun ·Rare ·Advanced level

Noun

Adjective

1
Of sixth rank or order. not-comparable
"In particular, one can construct mixed binary/ternary codes via senary codes by applying the Chinese Gray map (see Example 1)."
2
Of, pertaining to, or based on six. not-comparable
"The senary fraction 0.2 is one-third, i.e. two-sixths."

"In particular, one can construct mixed binary/ternary codes via senary codes by applying the Chinese Gray map (see Example 1)."

From the Latin sēnārius (“consisting of six each”), from sēnī (“six each, six at a time”) + -ārius (whence the English suffix -ary).