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.) 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.

Look at other dictionaries:

  • 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 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.)… …   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 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

  • Tertiary Students Christian Fellowship — is an evangelical ministry to tertiary students with branches on every university campus in New Zealand, as well as some polytechnics and other tertiary institutions. With a firm commitment to evangelism and mission, the four principles which… …   Wikipedia

  • tertiary — [tʉr′shē er΄ē, tʉr′shə rē] adj. [L tertiarius < tertius,THIRD] 1. of the third rank, order, formation, stage, etc.; third 2. Chem. a) third in order or type; involving the substitution of three atoms or radicals b) characterized by or… …   English World dictionary

  • Tertiary — Ter ti*a*ry, n.; pl. {Tertiaries}. 1. (R. C. Ch.) A member of the Third Order in any monastic system; as, the Franciscan tertiaries; the Dominican tertiaries; the Carmelite tertiaries. See {Third Order}, under {Third}. Addis & Arnold. [1913… …   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 Mauritius — The tertiary sector of Mauritius is characterized by two universities, the University of Mauritius and the University of Technology, Mauritius, and other tertiary institutions. The sector is managed by the Tertiary Education Commission (TEC)… …   Wikipedia

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