octann.adj.

Brit.

/ˈɒktən/, U.S.

/ˈɑktn/

Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: octo- comb. form, -an suffix.

Etymology: < octo- comb. form + -an suffix, after post-classical Latin octana (1769 R. A. Vogel in W. Cullen Synopsis Nosologiæ Methodicæ III. 162). Compare French octan (1803 in fièvre octane ; compare Middle French octain (16th cent. in Paré in fievre octaine )). Compare huitain n. and also quartan n. and adj., quintan n. and adj.

Medicine. rare. Now historical.

A. n.

A fever that recurs every seventh day (by inclusive reckoning every eighth day).

ΘΚΠ

the world > health and disease > ill health > a disease > fever > [noun] > fever of specific duration

tertian1362

quartana1387

quotidiana1398

ephemera1398

quarterna1568

day-fever1601

nonan1601

quintan1601

septimane1601

sextan1601

semitertian1609

triple quartan1625

diary1640

septan1657

third ague1674

quartanary1684

subintrant1684

intermittent1693

nonary1747

seven day fever1788

octan1799

third-day ague1818

type-fever1819

triple tertian1822

triplicate quartan (ague)1822

tetartophyia1842

1799 A. P. W. Philip Treat. Febrile Dis. I. 63 Burserius enumerates..sixteen [authors] who met with Octans.

1874 Amer. Cycl. VII. 165/1 Extremely rare varieties of type [of fever] are a quintan, sextan, heptan, and octan; these names expressing the length of the intervals.

1910 A. Castellani & A. J. Chalmers Man. Trop. Med. iii. xxiii. 668 These relapses are historically interesting, as they probably represent the quintans, sextans, octans, nonans, etc., of ancient authors.

1949 S. F. Kitchen in M. F. Boyd Malariol. xliii. 1035/2 Various post-Hippocratic writers speak of other and longer intermissions, of sextans, octans, decimans,..and so on.

B. adj.

Designating a fever recurring every seventh day (by inclusive reckoning every eighth day).

ΘΚΠ

the world > health and disease > ill health > a disease > fever > [adjective] > fevers of specific duration

quotidiana1393

quartana1398

ephemera1528

quartern?1549

semitertian1565

ephemeral1576

periodical1585

typic1601

septimane1634

ephemeran1643

hemitritaean1651

nonan1657

quintan1657

septan1657

sextan1657

quartanary1669

subintrant1747

periodic1805

octan1835

typical1853

1835 N. Amer. Arch. Med. & Surg. Sci. 1 216 Cases of octan intermittent fever.

1897 T. C. Allbutt et al. Syst. Med. II. 318 Further modifications have been recognised by nosologists as quintan, sextan, octan.

1912 V. E. Collins & J. A. Liebmann tr. G. Dieulafoy Text-bk. Med. (ed. 2) II. v. iii. 1753 We also very rare rare types in which the fever is quintan, sextan, septan, or octan.

This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).

单词	octan
释义	octann.adj. Brit. /ˈɒktən/, U.S. /ˈɑktn/ Origin: Formed within English, by derivation; modelled on a Latin lexical item. Etymons: octo- comb. form, -an suffix. Etymology: < octo- comb. form + -an suffix, after post-classical Latin octana (1769 R. A. Vogel in W. Cullen Synopsis Nosologiæ Methodicæ III. 162). Compare French octan (1803 in fièvre octane ; compare Middle French octain (16th cent. in Paré in fievre octaine )). Compare huitain n. and also quartan n. and adj., quintan n. and adj. Medicine. rare. Now historical. A. n. A fever that recurs every seventh day (by inclusive reckoning every eighth day). ΘΚΠ the world > health and disease > ill health > a disease > fever > [noun] > fever of specific duration tertian1362 quartana1387 quotidiana1398 ephemera1398 quarterna1568 day-fever1601 nonan1601 quintan1601 septimane1601 sextan1601 semitertian1609 triple quartan1625 diary1640 septan1657 third ague1674 quartanary1684 subintrant1684 intermittent1693 nonary1747 seven day fever1788 octan1799 third-day ague1818 type-fever1819 triple tertian1822 triplicate quartan (ague)1822 tetartophyia1842 1799 A. P. W. Philip Treat. Febrile Dis. I. 63 Burserius enumerates..sixteen [authors] who met with Octans. 1874 Amer. Cycl. VII. 165/1 Extremely rare varieties of type [of fever] are a quintan, sextan, heptan, and octan; these names expressing the length of the intervals. 1910 A. Castellani & A. J. Chalmers Man. Trop. Med. iii. xxiii. 668 These relapses are historically interesting, as they probably represent the quintans, sextans, octans, nonans, etc., of ancient authors. 1949 S. F. Kitchen in M. F. Boyd Malariol. xliii. 1035/2 Various post-Hippocratic writers speak of other and longer intermissions, of sextans, octans, decimans,..and so on. B. adj. Designating a fever recurring every seventh day (by inclusive reckoning every eighth day). ΘΚΠ the world > health and disease > ill health > a disease > fever > [adjective] > fevers of specific duration quotidiana1393 quartana1398 ephemera1528 quartern?1549 semitertian1565 ephemeral1576 periodical1585 typic1601 septimane1634 ephemeran1643 hemitritaean1651 nonan1657 quintan1657 septan1657 sextan1657 quartanary1669 subintrant1747 periodic1805 octan1835 typical1853 1835 N. Amer. Arch. Med. & Surg. Sci. 1 216 Cases of octan intermittent fever. 1897 T. C. Allbutt et al. Syst. Med. II. 318 Further modifications have been recognised by nosologists as quintan, sextan, octan. 1912 V. E. Collins & J. A. Liebmann tr. G. Dieulafoy Text-bk. Med. (ed. 2) II. v. iii. 1753 We also very rare rare types in which the fever is quintan, sextan, septan, or octan. This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022). < n.adj.1799
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