Webster 1913 Edition
tertiariuscontaining a third part, fr.
tertiusthird: cf. F.
Being of the third formation, order, or rank; third;
tertiaryuse of a word
Later than, or subsequent to, the Secondary.
Growing on the innermost joint of a bird’s wing; tertial; – said of quills.
a color produced by the mixture of two secondaries.“The so-called tertiary colors are citrine, russet, and olive.”
The first period of the age of mammals, or of the Cenozoic era.
The rock formation of that period; – called also–
Tertiary formation. See the Chart of
the third and last stage of syphilis, in which it invades the bones and internal organs.
(R. C. Ch.)
A member of the Third Order in any monastic system;
as, the Franciscan. See
tertiaries; the Dominican
tertiaries; the Carmelite
Third Order, under
Addis & Arnold.
The Tertiary era, period, or formation.
One of the quill feathers which are borne upon the basal joint of the wing of a bird. See Illust. of
Webster 1828 Edition
Tertiary formation, in geology, a series of horizontal strata, more recent than chalk beds, consisting chiefly of sand and clay,and frequently embracing vast quantities of organic remains of the larger animals. It comprehends the alluvial formation, which embraces those deposits only which have resulted from causes still in operation; and the diluvial formation, which is constituted of such deposits as are supposed to have been produced by the deluge.