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Trinary vs Tertiary - What's the difference?

trinary | tertiary |

As adjectives the difference between trinary and tertiary

is that trinary is while tertiary is (geology) of or pertaining to the first part of the cenozoic era when modern flora and mammals appeared.

As a noun trinary

is (star) a trinary star.

As a proper noun tertiary is

(geology) the first part of the cenozoic era when modern flora and mammals appeared.

trinary

English

Adjective

(-)

    • Usage notes

    * The synonymous form (ternary) is much more common.

    Derived terms

    * trinary star

    Noun

    (trinaries)
  • (star) a trinary star

    • tertiary

    English

    Adjective

    (-)
  • Of third rank or order; subsequent.
  • (chemistry) Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals.
    • a tertiary alcohol, amine, or salt
  • (zoology, of quills) Growing on the innermost joint of a bird's wing; tertial.

    • Derived terms

    * tertiary care

    Coordinate terms

    (terms coordinate to tertiary) * primary (1) * secondary (2) * quaternary (4) * quinary (5) * senary (6) * septenary (7) * octonary (8) * nonary (9) * denary (10) * duodenary (12) * vigenary (20)

    See also

    * cubic

    Noun

    (tertiaries)
  • A tertiary feather.
  • A member of a Roman Catholic third order - the Franciscans, Dominicans and Carmelites among others.