tertian

English · Thesaurus

AI In plain words

Writing a short explanation…

Written by a house AI from the entry below, in your language. The entry itself is the source.

tertian

Where it comes from

From Middle English tertiān, terciān, terciāne (adjective and noun), originally often as part of the collocation fever cum terciane, after Latin febris cum tertiānā. Compare the "third" essence of tertiary. By surface analysis, terti- + -an.

adjective tercian

  1. not comparable, of a fever Characterised by paroxysms recurring every other day (that is, every third day by inclusive reckoning).
  2. not comparable Pertaining to the mean-tone temperament, in which major thirds are perfectly in tune.

noun tertians · tercian

  1. A tertian fever. And although we feele it not, it is not to bee doubted, if a continuall ague may in the end suppresse our mind, a tertian will also (according to her measure and proportion) breed some alteration in it.
  2. A cask of a certain size; its volume used as a measure of capacity (one-third of a tun's).

    Similar: puncheon

  3. A Jesuit going through tertianship.

Talk about this word

Cite this
MLA

"tertian." Wiktionary, via Micwyn, micwyn.com/word/tertian. Accessed 6 Nov. 2026.

APA

tertian. (n.d.). In Wiktionary, via Micwyn. Retrieved November 6, 2026, from https://micwyn.com/word/tertian

Chicago

"tertian." Wiktionary, via Micwyn. Accessed November 6, 2026. https://micwyn.com/word/tertian.

BibTeX
@misc{tertian_2026,
  title = {tertian},
  howpublished = {Wiktionary, via Micwyn},
  year = {2026},
  url = {https://micwyn.com/word/tertian},
  urldate = {2026-11-06}
}