Standard Lemma guide

tertian

adj · noun · 7 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

adj

Meaning 1

Characterised by paroxysms recurring every other day (that is, every third day by inclusive reckoning).

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: medicine, sciences

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

adj

Meaning 2

Pertaining to the mean-tone temperament, in which major thirds are perfectly in tune.

Definition source: English Wiktionary via Wiktextract

Usage: not-comparable

Topics: entertainment, lifestyle, music

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

3

noun

Meaning 3

A tertian fever.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

4

noun

Meaning 4

A cask of a certain size; its volume used as a measure of capacity (one-third of a tun's).

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: puncheon

Antonyms: none provided

Broader terms: cask

5

noun

Meaning 5

A Jesuit going through tertianship.

Definition source: English Wiktionary via Wiktextract

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

6

adjective

Meaning 6

of or relating to a tonal system based on major thirds

Definition source: Princeton WordNet 3.0

Examples

  • a tertian tonal system

Meaning relationships

Synonyms: none provided

Antonyms: none provided

7

adjective

Meaning 7

relating to symptoms (especially malarial fever) that appear every other day

Definition source: Princeton WordNet 3.0

Examples

  • tertian fever

Meaning relationships

Synonyms: none provided

Antonyms: none provided

History

Etymology

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.