Tertiary age
Tertiary Ter"ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. --Trench. [1913 Webster]

2. (Chem.) Possessing some quality in the third degree; having been subjected to the substitution of three atoms or radicals; as, a tertiary alcohol, amine, or salt. Cf. {Primary}, and {Secondary}. [1913 Webster]

3. (Geol.) Later than, or subsequent to, the Secondary. [1913 Webster]

4. (Zo["o]l.) Growing on the innermost joint of a bird's wing; tertial; -- said of quills. [1913 Webster]

{Tertiary age}. (Geol.) See under {Age}, 8.

{Tertiary color}, a color produced by the mixture of two secondaries. ``The so-called tertiary colors are citrine, russet, and olive.'' --Fairholt.

{Tertiary period}. (Geol.) (a) The first period of the age of mammals, or of the Cenozoic era. (b) The rock formation of that period; -- called also {Tertiary formation}. See the Chart of {Geology}.

{Tertiary syphilis} (Med.), the third and last stage of syphilis, in which it invades the bones and internal organs. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Tertiary — Ter ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. [1913 Webster] 2. (Chem.) Possessing some… …   The Collaborative International Dictionary of English

  • Tertiary color — Tertiary Ter ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. [1913 Webster] 2. (Chem.)… …   The Collaborative International Dictionary of English

  • Tertiary formation — Tertiary Ter ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. [1913 Webster] 2. (Chem.)… …   The Collaborative International Dictionary of English

  • Tertiary period — Tertiary Ter ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. [1913 Webster] 2. (Chem.)… …   The Collaborative International Dictionary of English

  • Tertiary syphilis — Tertiary Ter ti*a*ry, a. [L. tertiarius containing a third part, fr. tertius third: cf. F. tertiaire. See {Tierce}.] 1. Being of the third formation, order, or rank; third; as, a tertiary use of a word. Trench. [1913 Webster] 2. (Chem.)… …   The Collaborative International Dictionary of English

  • Age — ([=a]j), n. [OF. aage, eage, F. [^a]ge, fr. L. aetas through a supposed LL. aetaticum. L. aetas is contracted fr. aevitas, fr. aevum lifetime, age; akin to E. aye ever. Cf. {Each}.] 1. The whole duration of a being, whether animal, vegetable, or… …   The Collaborative International Dictionary of English

  • Age of a tide — Age Age ([=a]j), n. [OF. aage, eage, F. [^a]ge, fr. L. aetas through a supposed LL. aetaticum. L. aetas is contracted fr. aevitas, fr. aevum lifetime, age; akin to E. aye ever. Cf. {Each}.] 1. The whole duration of a being, whether animal,… …   The Collaborative International Dictionary of English

  • Tertiary Period — Interval of geologic time, 65–1. 8 million years ago. It constitutes the first of the two periods of the Cenozoic Era, the second being the Quaternary. The Tertiary has five subdivisions: (from oldest to youngest) the Paleocene, Eocene, Oligocene …   Universalium

  • Tertiary education in Australia — Tertiary or higher education in Australia is made up of universities and other higher education institutions (called higher education providers). [http://www.dest.gov.au/sectors/higher education/] A higher education provider is a body that is… …   Wikipedia

  • Tertiary — The chuprichondira geological time interval covers roughly the time span between the demise of the non avian dinosaurs and beginning of the most recent Ice Age, approximately 65 million to 1.8 million years ago.At the beginning of the period,… …   Wikipedia

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