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Meaning of TERTIARY

Pronunciation:  'turshee`eree

 
WordNet Dictionary
 
 Definition: 
  1. [n]  from 2 million to 63 million years ago
  2. [adj]  coming next after the second and just before the fourth in position
 

TERTIARY is a 8 letter word that starts with T.

 

 Synonyms: 3rd, ordinal, Tertiary period, third
 
 See Also: Age of Mammals, Cenozoic, Cenozoic era, Eocene, Eocene epoch, geological period, Miocene, Miocene epoch, Oligocene, Oligocene epoch, Paleocene, Paleocene epoch, period, Pliocene, Pliocene epoch

 

 

Webster's 1913 Dictionary
 
 Definition: 
  1. \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.
    
    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}.
    
    
    
    3. (Geol.) Later than, or subsequent to, the Secondary.
    
    4. (Zo["o]l.) Growing on the innermost joint of a bird's
       wing; tertial; -- said of quills.
    
    {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.
    
    
  2. \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.
    
    2. (Geol.) The Tertiary era, period, or formation.
    
    3. (Zo["o]l.) One of the quill feathers which are borne upon
       the basal joint of the wing of a bird. See Illust. of
       {Bird}.
    
    
 

 

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