Definition of "senary" in English

adjective

1. Of sixth rank or order.

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

2. (arithmetic) Of, pertaining to, or based on six.

   • The senary fraction 0.2 is one-third, i.e. two-sixths.

noun

1. (arithmetic) The numeral system which uses six as the base.