A tertian tonal system.    From Wordnet, Princeton University. 

tertian fever.    From Wordnet, Princeton University. 

He died of the slow fever called the tertian.    From Wordnik.com.  [The Works of Lord Byron. Vol. 6] Reference

A true tertian comes to a crisis in seven periods at furthest.    From Wordnik.com.  [Aphorisms] Reference

That was sometimes used for the tertian ague, as Dr. Rawlings called it.    From Wordnik.com.  [A Breath of Snow and Ashes]

So have all of us, but Charles who has had a tertian fever but is better.    From Wordnik.com.  [Letter from John Adams to Abigail Adams, 28 April 1781] Reference

Ah, poor heart! he is so shaked of a burning quotidian tertian, that it is most lamentable to behold.    From Wordnik.com.  [The Life of King Henry the Fifth] Reference

Classically, but infrequently observed, the attacks occur every second day with the "tertian" parasites (.    From Wordnik.com.  [Featured Articles - Encyclopedia of Earth] Reference

Physicians skilled in magic applied three seeds of three-leaved grass to tertian ague, and four to a quartian.    From Wordnik.com.  [The Mysteries of All Nations Rise and Progress of Superstition, Laws Against and Trials of Witches, Ancient and Modern Delusions Together With Strange Customs, Fables, and Tales] Reference

I was seized by a severe tertian fever at Mazaro, but went along the right bank of the Mutu to the N.N.E. and E. for about fifteen miles.    From Wordnik.com.  [Missionary Travels and Researches in South Africa] Reference

The quotidian, tertian, and quartan fevers, seem to me no less sacred and divine in their origin than this disease, although they are not reckoned so wonderful.    From Wordnik.com.  [On The Sacred Disease] Reference

One had the mother of the family, with two sons, just recovering, the former from a fever, the latter from tertian agues; and I asked, when they saw Mr. Barrow?.    From Wordnik.com.  [Pamela] Reference

That very night, I tossed so violently in the throes of a dangerous chill that I was afraid I had contracted a tertian ague, and in my dreams I prayed for a medicine.    From Wordnik.com.  [The Satyricon — Complete] Reference

After waiting about six weeks at this unhealthy spot, in which, however, by the kind attentions of Colonel Nunes and his nephew, I partially recovered from my tertian, H.M. brig.    From Wordnik.com.  [Missionary Travels and Researches in South Africa] Reference

Pliny said: "Any plant gathered from the bank of a brook or river before sunrise, provided that no one sees the person who gathers it, is considered as a remedy for tertian ague.".    From Wordnik.com.  [Three Thousand Years of Mental Healing] Reference

At watch and watch; thus, shivering like the tertian.    From Wordnik.com.  [Don Juan] Reference

Chinchona, having been cured of a tertian ague in the year 1638.    From Wordnik.com.  [On the Banks of the Amazon] Reference

September and October, are almost all affected with tertian fevers.    From Wordnik.com.  [Travels in North America, From Modern Writers With Remarks and Observations; Exhibiting a Connected View of the Geography and Present State of that Quarter of the Globe] Reference

Admitted into the Dispensary for a tertian ague, and general dropsy.    From Wordnik.com.  [An Account of the Foxglove and some of its Medical Uses With Practical Remarks on Dropsy and Other Diseases] Reference

From this I contracted a severe cold, which ended in a tertian ague.    From Wordnik.com.  [Boswell's Correspondence with the Honourable Andrew Erskine, and His Journal of a Tour to Corsica] Reference

Anasarcous legs and symptoms of hydrothorax, consequent to a tertian ague.    From Wordnik.com.  [An Account of the Foxglove and some of its Medical Uses With Practical Remarks on Dropsy and Other Diseases] Reference

Feb. 20th, 21st, Theodor fell sick in the Shrovtyde weke, and so into a tertian ague.    From Wordnik.com.  [The Private Diary of Dr. John Dee And the Catalog of His Library of Manuscripts] Reference

It was asked, "Why tertian and quartan fevers were like certain short-lived insects.".    From Wordnik.com.  [Autocrat of the Breakfast Table] Reference

It might be that the fever was not quotidian, but tertian, and that it would return next day.    From Wordnik.com.  [The Secret of the Island] Reference

After a tertian ague of 12 months continuation, suffered great indisposition for 10 months more.    From Wordnik.com.  [An Account of the Foxglove and some of its Medical Uses With Practical Remarks on Dropsy and Other Diseases] Reference

The poor missionary had his fit of tertian fever, and besought us to re-embark immediately after midnight.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2] Reference

These tertian agues are attended with great debility of the muscular system; yet we find poor ecclesiastics on the.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 2] Reference

This spring, he was seized with a tertian ague; and, when encouraged by his courtiers with the common proverb, that such.    From Wordnik.com.  [The History of England in Three Volumes, Vol.I., Part D. From Elizabeth to James I.] Reference

There are no beds in this place, and if we lie down in the litter in our damp clothes we shall catch a tertian of Galicia.    From Wordnik.com.  [The Bible in Spain; or, the journeys, adventures, and imprisonments of an Englishman, in an attempt to circulate the Scriptures in the Peninsula] Reference

Unfortunately, a servant of the notary, one Reginbald, fell ill of a tertian fever, and impeded the progress of the party.    From Wordnik.com.  [Lectures and Essays] Reference

Lorica; and that, if we remained in the forest, we should have the tertian fever (calentura) from which he had long suffered.    From Wordnik.com.  [Personal Narrative of Travels to the Equinoctial Regions of America, During the Year 1799-1804 — Volume 3] Reference

Lord King, too, fell sick of a tertian fever, which held him many days, and I believe it was out of sheer anguish for his dearest child.    From Wordnik.com.  [Our Little Lady Six Hundred Years Ago] Reference

I remember accosting a lad, anemic, shivering with the tertian, and marked by that untimely senility which is the sign-manual of malaria.    From Wordnik.com.  [Old Calabria] Reference