Tertiary (disambiguation)

From Wikipedia, the free encyclopedia

Tertiary (from Latin tertiarius) is an adjective meaning "third" or "third hand". It may refer to:

  • The Tertiary period of the geologic time scale.
  • Tertiaries, members of a Third order (lay folk connected with a Mendicant Order).
  • Ternary numeral system, the base-3 numeral system.
  • A tertiary consumer in an ecological sense.
  • A Tertiary functional group (or usually ion) attached to carbon atom connected to three other carbon atoms in organic chemistry
  • Tertiaries, the smallest group of remiges (wing feathers), which attach to the upper arm. Usually, they are not flight feathers, but more like body plumage.
  • In economics the tertiary sector (of industry) is the service sector or the service industry (as opposed to the primary -agricultural and natural resources- and secondary, manufacturing)
  • In biochemistry, the tertiary structure of a protein is its overall shape, also known as its fold.
  • Tertiary or post-secondary education
  • Tertiary care is specialized consultative healthcare.
  • Ternary operation, in computer science a ternary operator (sometimes incorrectly referred to as a tertiary operator) is an operator that takes three arguments.

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