Tertiary

Tertiary 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, 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 3 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.

See also

• Primary (1)
• Secondary (2)
• Quaternary (4)
• Quinary (5)
• Senary (6)
• Septenary (7)
• Octonary (8)
• Nonary (9)
• Denary (10)
• Duodenary (12)
• Hexadenary (16)
• Vigenary (20)

This disambiguation page lists articles associated with the same title. If an internal link led you here, you may wish to change the link to point directly to the intended article.

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